| 1 | //= unittests/ASTMatchers/ASTMatchersTraversalTest.cpp - matchers unit tests =// |
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #include "ASTMatchersTest.h" |
| 10 | #include "clang/AST/PrettyPrinter.h" |
| 11 | #include "clang/ASTMatchers/ASTMatchFinder.h" |
| 12 | #include "clang/ASTMatchers/ASTMatchers.h" |
| 13 | #include "clang/Tooling/Tooling.h" |
| 14 | #include "llvm/ADT/Triple.h" |
| 15 | #include "llvm/Support/Host.h" |
| 16 | #include "gtest/gtest.h" |
| 17 | |
| 18 | namespace clang { |
| 19 | namespace ast_matchers { |
| 20 | |
| 21 | TEST(DeclarationMatcher, hasMethod) { |
| 22 | EXPECT_TRUE(matches("class A { void func(); };" , |
| 23 | cxxRecordDecl(hasMethod(hasName("func" ))))); |
| 24 | EXPECT_TRUE(notMatches("class A { void func(); };" , |
| 25 | cxxRecordDecl(hasMethod(isPublic())))); |
| 26 | } |
| 27 | |
| 28 | TEST(DeclarationMatcher, ClassDerivedFromDependentTemplateSpecialization) { |
| 29 | EXPECT_TRUE(matches( |
| 30 | "template <typename T> struct A {" |
| 31 | " template <typename T2> struct F {};" |
| 32 | "};" |
| 33 | "template <typename T> struct B : A<T>::template F<T> {};" |
| 34 | "B<int> b;" , |
| 35 | cxxRecordDecl(hasName("B" ), isDerivedFrom(recordDecl())))); |
| 36 | } |
| 37 | |
| 38 | TEST(DeclarationMatcher, hasDeclContext) { |
| 39 | EXPECT_TRUE(matches( |
| 40 | "namespace N {" |
| 41 | " namespace M {" |
| 42 | " class D {};" |
| 43 | " }" |
| 44 | "}" , |
| 45 | recordDecl(hasDeclContext(namespaceDecl(hasName("M" )))))); |
| 46 | EXPECT_TRUE(notMatches( |
| 47 | "namespace N {" |
| 48 | " namespace M {" |
| 49 | " class D {};" |
| 50 | " }" |
| 51 | "}" , |
| 52 | recordDecl(hasDeclContext(namespaceDecl(hasName("N" )))))); |
| 53 | |
| 54 | EXPECT_TRUE(matches("namespace {" |
| 55 | " namespace M {" |
| 56 | " class D {};" |
| 57 | " }" |
| 58 | "}" , |
| 59 | recordDecl(hasDeclContext(namespaceDecl( |
| 60 | hasName("M" ), hasDeclContext(namespaceDecl())))))); |
| 61 | |
| 62 | EXPECT_TRUE(matches("class D{};" , decl(hasDeclContext(decl())))); |
| 63 | } |
| 64 | |
| 65 | TEST(HasDescendant, MatchesDescendantTypes) { |
| 66 | EXPECT_TRUE(matches("void f() { int i = 3; }" , |
| 67 | decl(hasDescendant(loc(builtinType()))))); |
| 68 | EXPECT_TRUE(matches("void f() { int i = 3; }" , |
| 69 | stmt(hasDescendant(builtinType())))); |
| 70 | |
| 71 | EXPECT_TRUE(matches("void f() { int i = 3; }" , |
| 72 | stmt(hasDescendant(loc(builtinType()))))); |
| 73 | EXPECT_TRUE(matches("void f() { int i = 3; }" , |
| 74 | stmt(hasDescendant(qualType(builtinType()))))); |
| 75 | |
| 76 | EXPECT_TRUE(notMatches("void f() { float f = 2.0f; }" , |
| 77 | stmt(hasDescendant(isInteger())))); |
| 78 | |
| 79 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 80 | "void f() { int a; float c; int d; int e; }" , |
| 81 | functionDecl(forEachDescendant( |
| 82 | varDecl(hasDescendant(isInteger())).bind("x" ))), |
| 83 | std::make_unique<VerifyIdIsBoundTo<Decl>>("x" , 3))); |
| 84 | } |
| 85 | |
| 86 | TEST(HasDescendant, MatchesDescendantsOfTypes) { |
| 87 | EXPECT_TRUE(matches("void f() { int*** i; }" , |
| 88 | qualType(hasDescendant(builtinType())))); |
| 89 | EXPECT_TRUE(matches("void f() { int*** i; }" , |
| 90 | qualType(hasDescendant( |
| 91 | pointerType(pointee(builtinType())))))); |
| 92 | EXPECT_TRUE(matches("void f() { int*** i; }" , |
| 93 | typeLoc(hasDescendant(loc(builtinType()))))); |
| 94 | |
| 95 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 96 | "void f() { int*** i; }" , |
| 97 | qualType(asString("int ***" ), forEachDescendant(pointerType().bind("x" ))), |
| 98 | std::make_unique<VerifyIdIsBoundTo<Type>>("x" , 2))); |
| 99 | } |
| 100 | |
| 101 | |
| 102 | TEST(Has, MatchesChildrenOfTypes) { |
| 103 | EXPECT_TRUE(matches("int i;" , |
| 104 | varDecl(hasName("i" ), has(isInteger())))); |
| 105 | EXPECT_TRUE(notMatches("int** i;" , |
| 106 | varDecl(hasName("i" ), has(isInteger())))); |
| 107 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 108 | "int (*f)(float, int);" , |
| 109 | qualType(functionType(), forEach(qualType(isInteger()).bind("x" ))), |
| 110 | std::make_unique<VerifyIdIsBoundTo<QualType>>("x" , 2))); |
| 111 | } |
| 112 | |
| 113 | TEST(Has, MatchesChildTypes) { |
| 114 | EXPECT_TRUE(matches( |
| 115 | "int* i;" , |
| 116 | varDecl(hasName("i" ), hasType(qualType(has(builtinType())))))); |
| 117 | EXPECT_TRUE(notMatches( |
| 118 | "int* i;" , |
| 119 | varDecl(hasName("i" ), hasType(qualType(has(pointerType())))))); |
| 120 | } |
| 121 | |
| 122 | TEST(StatementMatcher, Has) { |
| 123 | StatementMatcher HasVariableI = |
| 124 | expr(hasType(pointsTo(recordDecl(hasName("X" )))), |
| 125 | has(ignoringParenImpCasts(declRefExpr(to(varDecl(hasName("i" ))))))); |
| 126 | |
| 127 | EXPECT_TRUE(matches( |
| 128 | "class X; X *x(int); void c() { int i; x(i); }" , HasVariableI)); |
| 129 | EXPECT_TRUE(notMatches( |
| 130 | "class X; X *x(int); void c() { int i; x(42); }" , HasVariableI)); |
| 131 | } |
| 132 | |
| 133 | TEST(StatementMatcher, HasDescendant) { |
| 134 | StatementMatcher HasDescendantVariableI = |
| 135 | expr(hasType(pointsTo(recordDecl(hasName("X" )))), |
| 136 | hasDescendant(declRefExpr(to(varDecl(hasName("i" )))))); |
| 137 | |
| 138 | EXPECT_TRUE(matches( |
| 139 | "class X; X *x(bool); bool b(int); void c() { int i; x(b(i)); }" , |
| 140 | HasDescendantVariableI)); |
| 141 | EXPECT_TRUE(notMatches( |
| 142 | "class X; X *x(bool); bool b(int); void c() { int i; x(b(42)); }" , |
| 143 | HasDescendantVariableI)); |
| 144 | } |
| 145 | |
| 146 | TEST(TypeMatcher, MatchesClassType) { |
| 147 | TypeMatcher TypeA = hasDeclaration(recordDecl(hasName("A" ))); |
| 148 | |
| 149 | EXPECT_TRUE(matches("class A { public: A *a; };" , TypeA)); |
| 150 | EXPECT_TRUE(notMatches("class A {};" , TypeA)); |
| 151 | |
| 152 | TypeMatcher TypeDerivedFromA = |
| 153 | hasDeclaration(cxxRecordDecl(isDerivedFrom("A" ))); |
| 154 | |
| 155 | EXPECT_TRUE(matches("class A {}; class B : public A { public: B *b; };" , |
| 156 | TypeDerivedFromA)); |
| 157 | EXPECT_TRUE(notMatches("class A {};" , TypeA)); |
| 158 | |
| 159 | TypeMatcher TypeAHasClassB = hasDeclaration( |
| 160 | recordDecl(hasName("A" ), has(recordDecl(hasName("B" ))))); |
| 161 | |
| 162 | EXPECT_TRUE( |
| 163 | matches("class A { public: A *a; class B {}; };" , TypeAHasClassB)); |
| 164 | |
| 165 | EXPECT_TRUE(matchesC("struct S {}; void f(void) { struct S s; }" , |
| 166 | varDecl(hasType(namedDecl(hasName("S" )))))); |
| 167 | } |
| 168 | |
| 169 | TEST(TypeMatcher, MatchesDeclTypes) { |
| 170 | // TypedefType -> TypedefNameDecl |
| 171 | EXPECT_TRUE(matches("typedef int I; void f(I i);" , |
| 172 | parmVarDecl(hasType(namedDecl(hasName("I" )))))); |
| 173 | // ObjCObjectPointerType |
| 174 | EXPECT_TRUE(matchesObjC("@interface Foo @end void f(Foo *f);" , |
| 175 | parmVarDecl(hasType(objcObjectPointerType())))); |
| 176 | // ObjCObjectPointerType -> ObjCInterfaceType -> ObjCInterfaceDecl |
| 177 | EXPECT_TRUE(matchesObjC( |
| 178 | "@interface Foo @end void f(Foo *f);" , |
| 179 | parmVarDecl(hasType(pointsTo(objcInterfaceDecl(hasName("Foo" ))))))); |
| 180 | // TemplateTypeParmType |
| 181 | EXPECT_TRUE(matches("template <typename T> void f(T t);" , |
| 182 | parmVarDecl(hasType(templateTypeParmType())))); |
| 183 | // TemplateTypeParmType -> TemplateTypeParmDecl |
| 184 | EXPECT_TRUE(matches("template <typename T> void f(T t);" , |
| 185 | parmVarDecl(hasType(namedDecl(hasName("T" )))))); |
| 186 | // InjectedClassNameType |
| 187 | EXPECT_TRUE(matches("template <typename T> struct S {" |
| 188 | " void f(S s);" |
| 189 | "};" , |
| 190 | parmVarDecl(hasType(injectedClassNameType())))); |
| 191 | EXPECT_TRUE(notMatches("template <typename T> struct S {" |
| 192 | " void g(S<T> s);" |
| 193 | "};" , |
| 194 | parmVarDecl(hasType(injectedClassNameType())))); |
| 195 | // InjectedClassNameType -> CXXRecordDecl |
| 196 | EXPECT_TRUE(matches("template <typename T> struct S {" |
| 197 | " void f(S s);" |
| 198 | "};" , |
| 199 | parmVarDecl(hasType(namedDecl(hasName("S" )))))); |
| 200 | |
| 201 | static const char Using[] = "template <typename T>" |
| 202 | "struct Base {" |
| 203 | " typedef T Foo;" |
| 204 | "};" |
| 205 | "" |
| 206 | "template <typename T>" |
| 207 | "struct S : private Base<T> {" |
| 208 | " using typename Base<T>::Foo;" |
| 209 | " void f(Foo);" |
| 210 | "};" ; |
| 211 | // UnresolvedUsingTypenameDecl |
| 212 | EXPECT_TRUE(matches(Using, unresolvedUsingTypenameDecl(hasName("Foo" )))); |
| 213 | // UnresolvedUsingTypenameType -> UnresolvedUsingTypenameDecl |
| 214 | EXPECT_TRUE(matches(Using, parmVarDecl(hasType(namedDecl(hasName("Foo" )))))); |
| 215 | } |
| 216 | |
| 217 | TEST(HasDeclaration, HasDeclarationOfEnumType) { |
| 218 | EXPECT_TRUE(matches("enum X {}; void y(X *x) { x; }" , |
| 219 | expr(hasType(pointsTo( |
| 220 | qualType(hasDeclaration(enumDecl(hasName("X" ))))))))); |
| 221 | } |
| 222 | |
| 223 | TEST(HasDeclaration, HasGetDeclTraitTest) { |
| 224 | static_assert(internal::has_getDecl<TypedefType>::value, |
| 225 | "Expected TypedefType to have a getDecl." ); |
| 226 | static_assert(internal::has_getDecl<RecordType>::value, |
| 227 | "Expected RecordType to have a getDecl." ); |
| 228 | static_assert(!internal::has_getDecl<TemplateSpecializationType>::value, |
| 229 | "Expected TemplateSpecializationType to *not* have a getDecl." ); |
| 230 | } |
| 231 | |
| 232 | TEST(HasDeclaration, ElaboratedType) { |
| 233 | EXPECT_TRUE(matches( |
| 234 | "namespace n { template <typename T> struct X {}; }" |
| 235 | "void f(n::X<int>);" , |
| 236 | parmVarDecl(hasType(qualType(hasDeclaration(cxxRecordDecl())))))); |
| 237 | EXPECT_TRUE(matches( |
| 238 | "namespace n { template <typename T> struct X {}; }" |
| 239 | "void f(n::X<int>);" , |
| 240 | parmVarDecl(hasType(elaboratedType(hasDeclaration(cxxRecordDecl())))))); |
| 241 | } |
| 242 | |
| 243 | TEST(HasDeclaration, HasDeclarationOfTypeWithDecl) { |
| 244 | EXPECT_TRUE(matches("typedef int X; X a;" , |
| 245 | varDecl(hasName("a" ), |
| 246 | hasType(typedefType(hasDeclaration(decl())))))); |
| 247 | |
| 248 | // FIXME: Add tests for other types with getDecl() (e.g. RecordType) |
| 249 | } |
| 250 | |
| 251 | TEST(HasDeclaration, HasDeclarationOfTemplateSpecializationType) { |
| 252 | EXPECT_TRUE(matches("template <typename T> class A {}; A<int> a;" , |
| 253 | varDecl(hasType(templateSpecializationType( |
| 254 | hasDeclaration(namedDecl(hasName("A" )))))))); |
| 255 | EXPECT_TRUE(matches("template <typename T> class A {};" |
| 256 | "template <typename T> class B { A<T> a; };" , |
| 257 | fieldDecl(hasType(templateSpecializationType( |
| 258 | hasDeclaration(namedDecl(hasName("A" )))))))); |
| 259 | EXPECT_TRUE(matches("template <typename T> class A {}; A<int> a;" , |
| 260 | varDecl(hasType(templateSpecializationType( |
| 261 | hasDeclaration(cxxRecordDecl())))))); |
| 262 | } |
| 263 | |
| 264 | TEST(HasDeclaration, HasDeclarationOfCXXNewExpr) { |
| 265 | EXPECT_TRUE( |
| 266 | matches("int *A = new int();" , |
| 267 | cxxNewExpr(hasDeclaration(functionDecl(parameterCountIs(1)))))); |
| 268 | } |
| 269 | |
| 270 | TEST(HasDeclaration, HasDeclarationOfTypeAlias) { |
| 271 | EXPECT_TRUE(matches("template <typename T> using C = T; C<int> c;" , |
| 272 | varDecl(hasType(templateSpecializationType( |
| 273 | hasDeclaration(typeAliasTemplateDecl())))))); |
| 274 | } |
| 275 | |
| 276 | TEST(HasUnqualifiedDesugaredType, DesugarsUsing) { |
| 277 | EXPECT_TRUE( |
| 278 | matches("struct A {}; using B = A; B b;" , |
| 279 | varDecl(hasType(hasUnqualifiedDesugaredType(recordType()))))); |
| 280 | EXPECT_TRUE( |
| 281 | matches("struct A {}; using B = A; using C = B; C b;" , |
| 282 | varDecl(hasType(hasUnqualifiedDesugaredType(recordType()))))); |
| 283 | } |
| 284 | |
| 285 | TEST(HasUnderlyingDecl, Matches) { |
| 286 | EXPECT_TRUE(matches("namespace N { template <class T> void f(T t); }" |
| 287 | "template <class T> void g() { using N::f; f(T()); }" , |
| 288 | unresolvedLookupExpr(hasAnyDeclaration( |
| 289 | namedDecl(hasUnderlyingDecl(hasName("::N::f" ))))))); |
| 290 | EXPECT_TRUE(matches( |
| 291 | "namespace N { template <class T> void f(T t); }" |
| 292 | "template <class T> void g() { N::f(T()); }" , |
| 293 | unresolvedLookupExpr(hasAnyDeclaration(namedDecl(hasName("::N::f" )))))); |
| 294 | EXPECT_TRUE(notMatches( |
| 295 | "namespace N { template <class T> void f(T t); }" |
| 296 | "template <class T> void g() { using N::f; f(T()); }" , |
| 297 | unresolvedLookupExpr(hasAnyDeclaration(namedDecl(hasName("::N::f" )))))); |
| 298 | } |
| 299 | |
| 300 | TEST(HasType, TakesQualTypeMatcherAndMatchesExpr) { |
| 301 | TypeMatcher ClassX = hasDeclaration(recordDecl(hasName("X" ))); |
| 302 | EXPECT_TRUE( |
| 303 | matches("class X {}; void y(X &x) { x; }" , expr(hasType(ClassX)))); |
| 304 | EXPECT_TRUE( |
| 305 | notMatches("class X {}; void y(X *x) { x; }" , |
| 306 | expr(hasType(ClassX)))); |
| 307 | EXPECT_TRUE( |
| 308 | matches("class X {}; void y(X *x) { x; }" , |
| 309 | expr(hasType(pointsTo(ClassX))))); |
| 310 | } |
| 311 | |
| 312 | TEST(HasType, TakesQualTypeMatcherAndMatchesValueDecl) { |
| 313 | TypeMatcher ClassX = hasDeclaration(recordDecl(hasName("X" ))); |
| 314 | EXPECT_TRUE( |
| 315 | matches("class X {}; void y() { X x; }" , varDecl(hasType(ClassX)))); |
| 316 | EXPECT_TRUE( |
| 317 | notMatches("class X {}; void y() { X *x; }" , varDecl(hasType(ClassX)))); |
| 318 | EXPECT_TRUE( |
| 319 | matches("class X {}; void y() { X *x; }" , |
| 320 | varDecl(hasType(pointsTo(ClassX))))); |
| 321 | } |
| 322 | |
| 323 | TEST(HasType, TakesDeclMatcherAndMatchesExpr) { |
| 324 | DeclarationMatcher ClassX = recordDecl(hasName("X" )); |
| 325 | EXPECT_TRUE( |
| 326 | matches("class X {}; void y(X &x) { x; }" , expr(hasType(ClassX)))); |
| 327 | EXPECT_TRUE( |
| 328 | notMatches("class X {}; void y(X *x) { x; }" , |
| 329 | expr(hasType(ClassX)))); |
| 330 | } |
| 331 | |
| 332 | TEST(HasType, TakesDeclMatcherAndMatchesValueDecl) { |
| 333 | DeclarationMatcher ClassX = recordDecl(hasName("X" )); |
| 334 | EXPECT_TRUE( |
| 335 | matches("class X {}; void y() { X x; }" , varDecl(hasType(ClassX)))); |
| 336 | EXPECT_TRUE( |
| 337 | notMatches("class X {}; void y() { X *x; }" , varDecl(hasType(ClassX)))); |
| 338 | } |
| 339 | |
| 340 | TEST(HasType, MatchesTypedefDecl) { |
| 341 | EXPECT_TRUE(matches("typedef int X;" , typedefDecl(hasType(asString("int" ))))); |
| 342 | EXPECT_TRUE(matches("typedef const int T;" , |
| 343 | typedefDecl(hasType(asString("const int" ))))); |
| 344 | EXPECT_TRUE(notMatches("typedef const int T;" , |
| 345 | typedefDecl(hasType(asString("int" ))))); |
| 346 | EXPECT_TRUE(matches("typedef int foo; typedef foo bar;" , |
| 347 | typedefDecl(hasType(asString("foo" )), hasName("bar" )))); |
| 348 | } |
| 349 | |
| 350 | TEST(HasType, MatchesTypedefNameDecl) { |
| 351 | EXPECT_TRUE(matches("using X = int;" , typedefNameDecl(hasType(asString("int" ))))); |
| 352 | EXPECT_TRUE(matches("using T = const int;" , |
| 353 | typedefNameDecl(hasType(asString("const int" ))))); |
| 354 | EXPECT_TRUE(notMatches("using T = const int;" , |
| 355 | typedefNameDecl(hasType(asString("int" ))))); |
| 356 | EXPECT_TRUE(matches("using foo = int; using bar = foo;" , |
| 357 | typedefNameDecl(hasType(asString("foo" )), hasName("bar" )))); |
| 358 | } |
| 359 | |
| 360 | TEST(HasTypeLoc, MatchesDeclaratorDecls) { |
| 361 | EXPECT_TRUE(matches("int x;" , |
| 362 | varDecl(hasName("x" ), hasTypeLoc(loc(asString("int" )))))); |
| 363 | |
| 364 | // Make sure we don't crash on implicit constructors. |
| 365 | EXPECT_TRUE(notMatches("class X {}; X x;" , |
| 366 | declaratorDecl(hasTypeLoc(loc(asString("int" )))))); |
| 367 | } |
| 368 | |
| 369 | |
| 370 | TEST(Callee, MatchesDeclarations) { |
| 371 | StatementMatcher CallMethodX = callExpr(callee(cxxMethodDecl(hasName("x" )))); |
| 372 | |
| 373 | EXPECT_TRUE(matches("class Y { void x() { x(); } };" , CallMethodX)); |
| 374 | EXPECT_TRUE(notMatches("class Y { void x() {} };" , CallMethodX)); |
| 375 | |
| 376 | CallMethodX = traverse(TK_AsIs, callExpr(callee(cxxConversionDecl()))); |
| 377 | EXPECT_TRUE( |
| 378 | matches("struct Y { operator int() const; }; int i = Y();" , CallMethodX)); |
| 379 | EXPECT_TRUE(notMatches("struct Y { operator int() const; }; Y y = Y();" , |
| 380 | CallMethodX)); |
| 381 | } |
| 382 | |
| 383 | TEST(Callee, MatchesMemberExpressions) { |
| 384 | EXPECT_TRUE(matches("class Y { void x() { this->x(); } };" , |
| 385 | callExpr(callee(memberExpr())))); |
| 386 | EXPECT_TRUE( |
| 387 | notMatches("class Y { void x() { this->x(); } };" , callExpr(callee(callExpr())))); |
| 388 | } |
| 389 | |
| 390 | TEST(Matcher, Argument) { |
| 391 | StatementMatcher CallArgumentY = callExpr( |
| 392 | hasArgument(0, declRefExpr(to(varDecl(hasName("y" )))))); |
| 393 | |
| 394 | EXPECT_TRUE(matches("void x(int) { int y; x(y); }" , CallArgumentY)); |
| 395 | EXPECT_TRUE( |
| 396 | matches("class X { void x(int) { int y; x(y); } };" , CallArgumentY)); |
| 397 | EXPECT_TRUE(notMatches("void x(int) { int z; x(z); }" , CallArgumentY)); |
| 398 | |
| 399 | StatementMatcher WrongIndex = callExpr( |
| 400 | hasArgument(42, declRefExpr(to(varDecl(hasName("y" )))))); |
| 401 | EXPECT_TRUE(notMatches("void x(int) { int y; x(y); }" , WrongIndex)); |
| 402 | } |
| 403 | |
| 404 | TEST(Matcher, AnyArgument) { |
| 405 | auto HasArgumentY = hasAnyArgument( |
| 406 | ignoringParenImpCasts(declRefExpr(to(varDecl(hasName("y" )))))); |
| 407 | StatementMatcher CallArgumentY = callExpr(HasArgumentY); |
| 408 | StatementMatcher CtorArgumentY = cxxConstructExpr(HasArgumentY); |
| 409 | StatementMatcher UnresolvedCtorArgumentY = |
| 410 | cxxUnresolvedConstructExpr(HasArgumentY); |
| 411 | StatementMatcher ObjCCallArgumentY = objcMessageExpr(HasArgumentY); |
| 412 | EXPECT_TRUE(matches("void x(int, int) { int y; x(1, y); }" , CallArgumentY)); |
| 413 | EXPECT_TRUE(matches("void x(int, int) { int y; x(y, 42); }" , CallArgumentY)); |
| 414 | EXPECT_TRUE(matches("struct Y { Y(int, int); };" |
| 415 | "void x() { int y; (void)Y(1, y); }" , |
| 416 | CtorArgumentY)); |
| 417 | EXPECT_TRUE(matches("struct Y { Y(int, int); };" |
| 418 | "void x() { int y; (void)Y(y, 42); }" , |
| 419 | CtorArgumentY)); |
| 420 | EXPECT_TRUE(matches("template <class Y> void x() { int y; (void)Y(1, y); }" , |
| 421 | UnresolvedCtorArgumentY)); |
| 422 | EXPECT_TRUE(matches("template <class Y> void x() { int y; (void)Y(y, 42); }" , |
| 423 | UnresolvedCtorArgumentY)); |
| 424 | EXPECT_TRUE(matchesObjC("@interface I -(void)f:(int) y; @end " |
| 425 | "void x(I* i) { int y; [i f:y]; }" , |
| 426 | ObjCCallArgumentY)); |
| 427 | EXPECT_FALSE(matchesObjC("@interface I -(void)f:(int) z; @end " |
| 428 | "void x(I* i) { int z; [i f:z]; }" , |
| 429 | ObjCCallArgumentY)); |
| 430 | EXPECT_TRUE(notMatches("void x(int, int) { x(1, 2); }" , CallArgumentY)); |
| 431 | EXPECT_TRUE(notMatches("struct Y { Y(int, int); };" |
| 432 | "void x() { int y; (void)Y(1, 2); }" , |
| 433 | CtorArgumentY)); |
| 434 | EXPECT_TRUE(notMatches("template <class Y>" |
| 435 | "void x() { int y; (void)Y(1, 2); }" , |
| 436 | UnresolvedCtorArgumentY)); |
| 437 | |
| 438 | StatementMatcher ImplicitCastedArgument = |
| 439 | traverse(TK_AsIs, callExpr(hasAnyArgument(implicitCastExpr()))); |
| 440 | EXPECT_TRUE(matches("void x(long) { int y; x(y); }" , ImplicitCastedArgument)); |
| 441 | } |
| 442 | |
| 443 | TEST(Matcher, HasReceiver) { |
| 444 | EXPECT_TRUE(matchesObjC( |
| 445 | "@interface NSString @end " |
| 446 | "void f(NSString *x) {" |
| 447 | "[x containsString];" |
| 448 | "}" , |
| 449 | objcMessageExpr(hasReceiver(declRefExpr(to(varDecl(hasName("x" )))))))); |
| 450 | |
| 451 | EXPECT_FALSE(matchesObjC( |
| 452 | "@interface NSString +(NSString *) stringWithFormat; @end " |
| 453 | "void f() { [NSString stringWithFormat]; }" , |
| 454 | objcMessageExpr(hasReceiver(declRefExpr(to(varDecl(hasName("x" )))))))); |
| 455 | } |
| 456 | |
| 457 | TEST(Matcher, HasAnyCapture) { |
| 458 | auto HasCaptureX = lambdaExpr(hasAnyCapture(varDecl(hasName("x" )))); |
| 459 | EXPECT_TRUE(matches("void f() { int x = 3; [x](){}; }" , HasCaptureX)); |
| 460 | EXPECT_TRUE(matches("void f() { int x = 3; [&x](){}; }" , HasCaptureX)); |
| 461 | EXPECT_TRUE(notMatches("void f() { [](){}; }" , HasCaptureX)); |
| 462 | EXPECT_TRUE(notMatches("void f() { int z = 3; [&z](){}; }" , HasCaptureX)); |
| 463 | EXPECT_TRUE( |
| 464 | notMatches("struct a { void f() { [this](){}; }; };" , HasCaptureX)); |
| 465 | } |
| 466 | |
| 467 | TEST(Matcher, CapturesThis) { |
| 468 | auto HasCaptureThis = lambdaExpr(hasAnyCapture(cxxThisExpr())); |
| 469 | EXPECT_TRUE( |
| 470 | matches("struct a { void f() { [this](){}; }; };" , HasCaptureThis)); |
| 471 | EXPECT_TRUE(notMatches("void f() { [](){}; }" , HasCaptureThis)); |
| 472 | EXPECT_TRUE(notMatches("void f() { int x = 3; [x](){}; }" , HasCaptureThis)); |
| 473 | EXPECT_TRUE(notMatches("void f() { int x = 3; [&x](){}; }" , HasCaptureThis)); |
| 474 | EXPECT_TRUE(notMatches("void f() { int z = 3; [&z](){}; }" , HasCaptureThis)); |
| 475 | } |
| 476 | |
| 477 | TEST(Matcher, MatchesMethodsOnLambda) { |
| 478 | StringRef Code = R"cpp( |
| 479 | struct A { |
| 480 | ~A() {} |
| 481 | }; |
| 482 | void foo() |
| 483 | { |
| 484 | A a; |
| 485 | auto l = [a] { }; |
| 486 | auto lCopy = l; |
| 487 | auto lPtrDecay = +[] { }; |
| 488 | (void)lPtrDecay; |
| 489 | } |
| 490 | )cpp" ; |
| 491 | |
| 492 | EXPECT_TRUE(matches( |
| 493 | Code, cxxConstructorDecl( |
| 494 | hasBody(compoundStmt()), |
| 495 | hasAncestor(lambdaExpr(hasAncestor(varDecl(hasName("l" ))))), |
| 496 | isCopyConstructor()))); |
| 497 | EXPECT_TRUE(matches( |
| 498 | Code, cxxConstructorDecl( |
| 499 | hasBody(compoundStmt()), |
| 500 | hasAncestor(lambdaExpr(hasAncestor(varDecl(hasName("l" ))))), |
| 501 | isMoveConstructor()))); |
| 502 | EXPECT_TRUE(matches( |
| 503 | Code, cxxDestructorDecl( |
| 504 | hasBody(compoundStmt()), |
| 505 | hasAncestor(lambdaExpr(hasAncestor(varDecl(hasName("l" )))))))); |
| 506 | EXPECT_TRUE(matches( |
| 507 | Code, cxxConversionDecl(hasBody(compoundStmt(has(returnStmt( |
| 508 | hasReturnValue(implicitCastExpr()))))), |
| 509 | hasAncestor(lambdaExpr(hasAncestor( |
| 510 | varDecl(hasName("lPtrDecay" )))))))); |
| 511 | } |
| 512 | |
| 513 | TEST(Matcher, isClassMessage) { |
| 514 | EXPECT_TRUE(matchesObjC( |
| 515 | "@interface NSString +(NSString *) stringWithFormat; @end " |
| 516 | "void f() { [NSString stringWithFormat]; }" , |
| 517 | objcMessageExpr(isClassMessage()))); |
| 518 | |
| 519 | EXPECT_FALSE(matchesObjC( |
| 520 | "@interface NSString @end " |
| 521 | "void f(NSString *x) {" |
| 522 | "[x containsString];" |
| 523 | "}" , |
| 524 | objcMessageExpr(isClassMessage()))); |
| 525 | } |
| 526 | |
| 527 | TEST(Matcher, isInstanceMessage) { |
| 528 | EXPECT_TRUE(matchesObjC( |
| 529 | "@interface NSString @end " |
| 530 | "void f(NSString *x) {" |
| 531 | "[x containsString];" |
| 532 | "}" , |
| 533 | objcMessageExpr(isInstanceMessage()))); |
| 534 | |
| 535 | EXPECT_FALSE(matchesObjC( |
| 536 | "@interface NSString +(NSString *) stringWithFormat; @end " |
| 537 | "void f() { [NSString stringWithFormat]; }" , |
| 538 | objcMessageExpr(isInstanceMessage()))); |
| 539 | |
| 540 | } |
| 541 | |
| 542 | TEST(Matcher, isClassMethod) { |
| 543 | EXPECT_TRUE(matchesObjC( |
| 544 | "@interface Bar + (void)bar; @end" , |
| 545 | objcMethodDecl(isClassMethod()))); |
| 546 | |
| 547 | EXPECT_TRUE(matchesObjC( |
| 548 | "@interface Bar @end" |
| 549 | "@implementation Bar + (void)bar {} @end" , |
| 550 | objcMethodDecl(isClassMethod()))); |
| 551 | |
| 552 | EXPECT_FALSE(matchesObjC( |
| 553 | "@interface Foo - (void)foo; @end" , |
| 554 | objcMethodDecl(isClassMethod()))); |
| 555 | |
| 556 | EXPECT_FALSE(matchesObjC( |
| 557 | "@interface Foo @end " |
| 558 | "@implementation Foo - (void)foo {} @end" , |
| 559 | objcMethodDecl(isClassMethod()))); |
| 560 | } |
| 561 | |
| 562 | TEST(Matcher, isInstanceMethod) { |
| 563 | EXPECT_TRUE(matchesObjC( |
| 564 | "@interface Foo - (void)foo; @end" , |
| 565 | objcMethodDecl(isInstanceMethod()))); |
| 566 | |
| 567 | EXPECT_TRUE(matchesObjC( |
| 568 | "@interface Foo @end " |
| 569 | "@implementation Foo - (void)foo {} @end" , |
| 570 | objcMethodDecl(isInstanceMethod()))); |
| 571 | |
| 572 | EXPECT_FALSE(matchesObjC( |
| 573 | "@interface Bar + (void)bar; @end" , |
| 574 | objcMethodDecl(isInstanceMethod()))); |
| 575 | |
| 576 | EXPECT_FALSE(matchesObjC( |
| 577 | "@interface Bar @end" |
| 578 | "@implementation Bar + (void)bar {} @end" , |
| 579 | objcMethodDecl(isInstanceMethod()))); |
| 580 | } |
| 581 | |
| 582 | TEST(MatcherCXXMemberCallExpr, On) { |
| 583 | StringRef Snippet1 = R"cc( |
| 584 | struct Y { |
| 585 | void m(); |
| 586 | }; |
| 587 | void z(Y y) { y.m(); } |
| 588 | )cc" ; |
| 589 | StringRef Snippet2 = R"cc( |
| 590 | struct Y { |
| 591 | void m(); |
| 592 | }; |
| 593 | struct X : public Y {}; |
| 594 | void z(X x) { x.m(); } |
| 595 | )cc" ; |
| 596 | auto MatchesY = cxxMemberCallExpr(on(hasType(cxxRecordDecl(hasName("Y" ))))); |
| 597 | EXPECT_TRUE(matches(Snippet1, MatchesY)); |
| 598 | EXPECT_TRUE(notMatches(Snippet2, MatchesY)); |
| 599 | |
| 600 | auto MatchesX = cxxMemberCallExpr(on(hasType(cxxRecordDecl(hasName("X" ))))); |
| 601 | EXPECT_TRUE(matches(Snippet2, MatchesX)); |
| 602 | |
| 603 | // Parens are ignored. |
| 604 | StringRef Snippet3 = R"cc( |
| 605 | struct Y { |
| 606 | void m(); |
| 607 | }; |
| 608 | Y g(); |
| 609 | void z(Y y) { (g()).m(); } |
| 610 | )cc" ; |
| 611 | auto MatchesCall = cxxMemberCallExpr(on(callExpr())); |
| 612 | EXPECT_TRUE(matches(Snippet3, MatchesCall)); |
| 613 | } |
| 614 | |
| 615 | TEST(MatcherCXXMemberCallExpr, OnImplicitObjectArgument) { |
| 616 | StringRef Snippet1 = R"cc( |
| 617 | struct Y { |
| 618 | void m(); |
| 619 | }; |
| 620 | void z(Y y) { y.m(); } |
| 621 | )cc" ; |
| 622 | StringRef Snippet2 = R"cc( |
| 623 | struct Y { |
| 624 | void m(); |
| 625 | }; |
| 626 | struct X : public Y {}; |
| 627 | void z(X x) { x.m(); } |
| 628 | )cc" ; |
| 629 | auto MatchesY = traverse(TK_AsIs, cxxMemberCallExpr(onImplicitObjectArgument( |
| 630 | hasType(cxxRecordDecl(hasName("Y" )))))); |
| 631 | EXPECT_TRUE(matches(Snippet1, MatchesY)); |
| 632 | EXPECT_TRUE(matches(Snippet2, MatchesY)); |
| 633 | |
| 634 | auto MatchesX = traverse(TK_AsIs, cxxMemberCallExpr(onImplicitObjectArgument( |
| 635 | hasType(cxxRecordDecl(hasName("X" )))))); |
| 636 | EXPECT_TRUE(notMatches(Snippet2, MatchesX)); |
| 637 | |
| 638 | // Parens are not ignored. |
| 639 | StringRef Snippet3 = R"cc( |
| 640 | struct Y { |
| 641 | void m(); |
| 642 | }; |
| 643 | Y g(); |
| 644 | void z(Y y) { (g()).m(); } |
| 645 | )cc" ; |
| 646 | auto MatchesCall = traverse( |
| 647 | TK_AsIs, cxxMemberCallExpr(onImplicitObjectArgument(callExpr()))); |
| 648 | EXPECT_TRUE(notMatches(Snippet3, MatchesCall)); |
| 649 | } |
| 650 | |
| 651 | TEST(Matcher, HasObjectExpr) { |
| 652 | StringRef Snippet1 = R"cc( |
| 653 | struct X { |
| 654 | int m; |
| 655 | int f(X x) { return x.m; } |
| 656 | }; |
| 657 | )cc" ; |
| 658 | StringRef Snippet2 = R"cc( |
| 659 | struct X { |
| 660 | int m; |
| 661 | int f(X x) { return m; } |
| 662 | }; |
| 663 | )cc" ; |
| 664 | auto MatchesX = |
| 665 | memberExpr(hasObjectExpression(hasType(cxxRecordDecl(hasName("X" ))))); |
| 666 | EXPECT_TRUE(matches(Snippet1, MatchesX)); |
| 667 | EXPECT_TRUE(notMatches(Snippet2, MatchesX)); |
| 668 | |
| 669 | auto MatchesXPointer = memberExpr( |
| 670 | hasObjectExpression(hasType(pointsTo(cxxRecordDecl(hasName("X" )))))); |
| 671 | EXPECT_TRUE(notMatches(Snippet1, MatchesXPointer)); |
| 672 | EXPECT_TRUE(matches(Snippet2, MatchesXPointer)); |
| 673 | } |
| 674 | |
| 675 | TEST(ForEachArgumentWithParam, ReportsNoFalsePositives) { |
| 676 | StatementMatcher ArgumentY = |
| 677 | declRefExpr(to(varDecl(hasName("y" )))).bind("arg" ); |
| 678 | DeclarationMatcher IntParam = parmVarDecl(hasType(isInteger())).bind("param" ); |
| 679 | StatementMatcher CallExpr = |
| 680 | callExpr(forEachArgumentWithParam(ArgumentY, IntParam)); |
| 681 | |
| 682 | // IntParam does not match. |
| 683 | EXPECT_TRUE(notMatches("void f(int* i) { int* y; f(y); }" , CallExpr)); |
| 684 | // ArgumentY does not match. |
| 685 | EXPECT_TRUE(notMatches("void f(int i) { int x; f(x); }" , CallExpr)); |
| 686 | } |
| 687 | |
| 688 | TEST(ForEachArgumentWithParam, MatchesCXXMemberCallExpr) { |
| 689 | StatementMatcher ArgumentY = |
| 690 | declRefExpr(to(varDecl(hasName("y" )))).bind("arg" ); |
| 691 | DeclarationMatcher IntParam = parmVarDecl(hasType(isInteger())).bind("param" ); |
| 692 | StatementMatcher CallExpr = |
| 693 | callExpr(forEachArgumentWithParam(ArgumentY, IntParam)); |
| 694 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 695 | "struct S {" |
| 696 | " const S& operator[](int i) { return *this; }" |
| 697 | "};" |
| 698 | "void f(S S1) {" |
| 699 | " int y = 1;" |
| 700 | " S1[y];" |
| 701 | "}" , |
| 702 | CallExpr, std::make_unique<VerifyIdIsBoundTo<ParmVarDecl>>("param" , 1))); |
| 703 | |
| 704 | StatementMatcher CallExpr2 = |
| 705 | callExpr(forEachArgumentWithParam(ArgumentY, IntParam)); |
| 706 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 707 | "struct S {" |
| 708 | " static void g(int i);" |
| 709 | "};" |
| 710 | "void f() {" |
| 711 | " int y = 1;" |
| 712 | " S::g(y);" |
| 713 | "}" , |
| 714 | CallExpr2, std::make_unique<VerifyIdIsBoundTo<ParmVarDecl>>("param" , 1))); |
| 715 | } |
| 716 | |
| 717 | TEST(ForEachArgumentWithParam, MatchesCallExpr) { |
| 718 | StatementMatcher ArgumentY = |
| 719 | declRefExpr(to(varDecl(hasName("y" )))).bind("arg" ); |
| 720 | DeclarationMatcher IntParam = parmVarDecl(hasType(isInteger())).bind("param" ); |
| 721 | StatementMatcher CallExpr = |
| 722 | callExpr(forEachArgumentWithParam(ArgumentY, IntParam)); |
| 723 | |
| 724 | EXPECT_TRUE( |
| 725 | matchAndVerifyResultTrue("void f(int i) { int y; f(y); }" , CallExpr, |
| 726 | std::make_unique<VerifyIdIsBoundTo<ParmVarDecl>>( |
| 727 | "param" ))); |
| 728 | EXPECT_TRUE( |
| 729 | matchAndVerifyResultTrue("void f(int i) { int y; f(y); }" , CallExpr, |
| 730 | std::make_unique<VerifyIdIsBoundTo<DeclRefExpr>>( |
| 731 | "arg" ))); |
| 732 | |
| 733 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 734 | "void f(int i, int j) { int y; f(y, y); }" , CallExpr, |
| 735 | std::make_unique<VerifyIdIsBoundTo<ParmVarDecl>>("param" , 2))); |
| 736 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 737 | "void f(int i, int j) { int y; f(y, y); }" , CallExpr, |
| 738 | std::make_unique<VerifyIdIsBoundTo<DeclRefExpr>>("arg" , 2))); |
| 739 | } |
| 740 | |
| 741 | TEST(ForEachArgumentWithParam, MatchesConstructExpr) { |
| 742 | StatementMatcher ArgumentY = |
| 743 | declRefExpr(to(varDecl(hasName("y" )))).bind("arg" ); |
| 744 | DeclarationMatcher IntParam = parmVarDecl(hasType(isInteger())).bind("param" ); |
| 745 | StatementMatcher ConstructExpr = traverse( |
| 746 | TK_AsIs, cxxConstructExpr(forEachArgumentWithParam(ArgumentY, IntParam))); |
| 747 | |
| 748 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 749 | "struct C {" |
| 750 | " C(int i) {}" |
| 751 | "};" |
| 752 | "int y = 0;" |
| 753 | "C Obj(y);" , |
| 754 | ConstructExpr, |
| 755 | std::make_unique<VerifyIdIsBoundTo<ParmVarDecl>>("param" ))); |
| 756 | } |
| 757 | |
| 758 | TEST(ForEachArgumentWithParam, HandlesBoundNodesForNonMatches) { |
| 759 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 760 | "void g(int i, int j) {" |
| 761 | " int a;" |
| 762 | " int b;" |
| 763 | " int c;" |
| 764 | " g(a, 0);" |
| 765 | " g(a, b);" |
| 766 | " g(0, b);" |
| 767 | "}" , |
| 768 | functionDecl( |
| 769 | forEachDescendant(varDecl().bind("v" )), |
| 770 | forEachDescendant(callExpr(forEachArgumentWithParam( |
| 771 | declRefExpr(to(decl(equalsBoundNode("v" )))), parmVarDecl())))), |
| 772 | std::make_unique<VerifyIdIsBoundTo<VarDecl>>("v" , 4))); |
| 773 | } |
| 774 | |
| 775 | TEST(ForEachArgumentWithParamType, ReportsNoFalsePositives) { |
| 776 | StatementMatcher ArgumentY = |
| 777 | declRefExpr(to(varDecl(hasName("y" )))).bind("arg" ); |
| 778 | TypeMatcher IntType = qualType(isInteger()).bind("type" ); |
| 779 | StatementMatcher CallExpr = |
| 780 | callExpr(forEachArgumentWithParamType(ArgumentY, IntType)); |
| 781 | |
| 782 | // IntParam does not match. |
| 783 | EXPECT_TRUE(notMatches("void f(int* i) { int* y; f(y); }" , CallExpr)); |
| 784 | // ArgumentY does not match. |
| 785 | EXPECT_TRUE(notMatches("void f(int i) { int x; f(x); }" , CallExpr)); |
| 786 | } |
| 787 | |
| 788 | TEST(ForEachArgumentWithParamType, MatchesCXXMemberCallExpr) { |
| 789 | StatementMatcher ArgumentY = |
| 790 | declRefExpr(to(varDecl(hasName("y" )))).bind("arg" ); |
| 791 | TypeMatcher IntType = qualType(isInteger()).bind("type" ); |
| 792 | StatementMatcher CallExpr = |
| 793 | callExpr(forEachArgumentWithParamType(ArgumentY, IntType)); |
| 794 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 795 | "struct S {" |
| 796 | " const S& operator[](int i) { return *this; }" |
| 797 | "};" |
| 798 | "void f(S S1) {" |
| 799 | " int y = 1;" |
| 800 | " S1[y];" |
| 801 | "}" , |
| 802 | CallExpr, std::make_unique<VerifyIdIsBoundTo<QualType>>("type" , 1))); |
| 803 | |
| 804 | StatementMatcher CallExpr2 = |
| 805 | callExpr(forEachArgumentWithParamType(ArgumentY, IntType)); |
| 806 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 807 | "struct S {" |
| 808 | " static void g(int i);" |
| 809 | "};" |
| 810 | "void f() {" |
| 811 | " int y = 1;" |
| 812 | " S::g(y);" |
| 813 | "}" , |
| 814 | CallExpr2, std::make_unique<VerifyIdIsBoundTo<QualType>>("type" , 1))); |
| 815 | } |
| 816 | |
| 817 | TEST(ForEachArgumentWithParamType, MatchesCallExpr) { |
| 818 | StatementMatcher ArgumentY = |
| 819 | declRefExpr(to(varDecl(hasName("y" )))).bind("arg" ); |
| 820 | TypeMatcher IntType = qualType(isInteger()).bind("type" ); |
| 821 | StatementMatcher CallExpr = |
| 822 | callExpr(forEachArgumentWithParamType(ArgumentY, IntType)); |
| 823 | |
| 824 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 825 | "void f(int i) { int y; f(y); }" , CallExpr, |
| 826 | std::make_unique<VerifyIdIsBoundTo<QualType>>("type" ))); |
| 827 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 828 | "void f(int i) { int y; f(y); }" , CallExpr, |
| 829 | std::make_unique<VerifyIdIsBoundTo<DeclRefExpr>>("arg" ))); |
| 830 | |
| 831 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 832 | "void f(int i, int j) { int y; f(y, y); }" , CallExpr, |
| 833 | std::make_unique<VerifyIdIsBoundTo<QualType>>("type" , 2))); |
| 834 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 835 | "void f(int i, int j) { int y; f(y, y); }" , CallExpr, |
| 836 | std::make_unique<VerifyIdIsBoundTo<DeclRefExpr>>("arg" , 2))); |
| 837 | } |
| 838 | |
| 839 | TEST(ForEachArgumentWithParamType, MatchesConstructExpr) { |
| 840 | StatementMatcher ArgumentY = |
| 841 | declRefExpr(to(varDecl(hasName("y" )))).bind("arg" ); |
| 842 | TypeMatcher IntType = qualType(isInteger()).bind("type" ); |
| 843 | StatementMatcher ConstructExpr = |
| 844 | cxxConstructExpr(forEachArgumentWithParamType(ArgumentY, IntType)); |
| 845 | |
| 846 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 847 | "struct C {" |
| 848 | " C(int i) {}" |
| 849 | "};" |
| 850 | "int y = 0;" |
| 851 | "C Obj(y);" , |
| 852 | ConstructExpr, std::make_unique<VerifyIdIsBoundTo<QualType>>("type" ))); |
| 853 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 854 | "struct C {" |
| 855 | " C(int i) {}" |
| 856 | "};" |
| 857 | "int y = 0;" |
| 858 | "C Obj(y);" , |
| 859 | ConstructExpr, std::make_unique<VerifyIdIsBoundTo<DeclRefExpr>>("arg" ))); |
| 860 | } |
| 861 | |
| 862 | TEST(ForEachArgumentWithParamType, HandlesKandRFunctions) { |
| 863 | StatementMatcher ArgumentY = |
| 864 | declRefExpr(to(varDecl(hasName("y" )))).bind("arg" ); |
| 865 | TypeMatcher IntType = qualType(isInteger()).bind("type" ); |
| 866 | StatementMatcher CallExpr = |
| 867 | callExpr(forEachArgumentWithParamType(ArgumentY, IntType)); |
| 868 | |
| 869 | EXPECT_TRUE(matchesC("void f();\n" |
| 870 | "void call_it(void) { int x, y; f(x, y); }\n" |
| 871 | "void f(a, b) int a, b; {}\n" |
| 872 | "void call_it2(void) { int x, y; f(x, y); }" , |
| 873 | CallExpr)); |
| 874 | } |
| 875 | |
| 876 | TEST(ForEachArgumentWithParamType, HandlesBoundNodesForNonMatches) { |
| 877 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 878 | "void g(int i, int j) {" |
| 879 | " int a;" |
| 880 | " int b;" |
| 881 | " int c;" |
| 882 | " g(a, 0);" |
| 883 | " g(a, b);" |
| 884 | " g(0, b);" |
| 885 | "}" , |
| 886 | functionDecl( |
| 887 | forEachDescendant(varDecl().bind("v" )), |
| 888 | forEachDescendant(callExpr(forEachArgumentWithParamType( |
| 889 | declRefExpr(to(decl(equalsBoundNode("v" )))), qualType())))), |
| 890 | std::make_unique<VerifyIdIsBoundTo<VarDecl>>("v" , 4))); |
| 891 | } |
| 892 | |
| 893 | TEST(ForEachArgumentWithParamType, MatchesFunctionPtrCalls) { |
| 894 | StatementMatcher ArgumentY = |
| 895 | declRefExpr(to(varDecl(hasName("y" )))).bind("arg" ); |
| 896 | TypeMatcher IntType = qualType(builtinType()).bind("type" ); |
| 897 | StatementMatcher CallExpr = |
| 898 | callExpr(forEachArgumentWithParamType(ArgumentY, IntType)); |
| 899 | |
| 900 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 901 | "void f(int i) {" |
| 902 | "void (*f_ptr)(int) = f; int y; f_ptr(y); }" , |
| 903 | CallExpr, std::make_unique<VerifyIdIsBoundTo<QualType>>("type" ))); |
| 904 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 905 | "void f(int i) {" |
| 906 | "void (*f_ptr)(int) = f; int y; f_ptr(y); }" , |
| 907 | CallExpr, std::make_unique<VerifyIdIsBoundTo<DeclRefExpr>>("arg" ))); |
| 908 | } |
| 909 | |
| 910 | TEST(ForEachArgumentWithParamType, MatchesMemberFunctionPtrCalls) { |
| 911 | StatementMatcher ArgumentY = |
| 912 | declRefExpr(to(varDecl(hasName("y" )))).bind("arg" ); |
| 913 | TypeMatcher IntType = qualType(builtinType()).bind("type" ); |
| 914 | StatementMatcher CallExpr = |
| 915 | callExpr(forEachArgumentWithParamType(ArgumentY, IntType)); |
| 916 | |
| 917 | StringRef S = "struct A {\n" |
| 918 | " int f(int i) { return i + 1; }\n" |
| 919 | " int (A::*x)(int);\n" |
| 920 | "};\n" |
| 921 | "void f() {\n" |
| 922 | " int y = 42;\n" |
| 923 | " A a;\n" |
| 924 | " a.x = &A::f;\n" |
| 925 | " (a.*(a.x))(y);\n" |
| 926 | "}" ; |
| 927 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 928 | S, CallExpr, std::make_unique<VerifyIdIsBoundTo<QualType>>("type" ))); |
| 929 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 930 | S, CallExpr, std::make_unique<VerifyIdIsBoundTo<DeclRefExpr>>("arg" ))); |
| 931 | } |
| 932 | |
| 933 | TEST(QualType, hasCanonicalType) { |
| 934 | EXPECT_TRUE(notMatches("typedef int &int_ref;" |
| 935 | "int a;" |
| 936 | "int_ref b = a;" , |
| 937 | varDecl(hasType(qualType(referenceType()))))); |
| 938 | EXPECT_TRUE( |
| 939 | matches("typedef int &int_ref;" |
| 940 | "int a;" |
| 941 | "int_ref b = a;" , |
| 942 | varDecl(hasType(qualType(hasCanonicalType(referenceType())))))); |
| 943 | } |
| 944 | |
| 945 | TEST(HasParameter, CallsInnerMatcher) { |
| 946 | EXPECT_TRUE(matches("class X { void x(int) {} };" , |
| 947 | cxxMethodDecl(hasParameter(0, varDecl())))); |
| 948 | EXPECT_TRUE(notMatches("class X { void x(int) {} };" , |
| 949 | cxxMethodDecl(hasParameter(0, hasName("x" ))))); |
| 950 | EXPECT_TRUE(matchesObjC("@interface I -(void)f:(int) x; @end" , |
| 951 | objcMethodDecl(hasParameter(0, hasName("x" ))))); |
| 952 | EXPECT_TRUE(matchesObjC("int main() { void (^b)(int) = ^(int p) {}; }" , |
| 953 | blockDecl(hasParameter(0, hasName("p" ))))); |
| 954 | } |
| 955 | |
| 956 | TEST(HasParameter, DoesNotMatchIfIndexOutOfBounds) { |
| 957 | EXPECT_TRUE(notMatches("class X { void x(int) {} };" , |
| 958 | cxxMethodDecl(hasParameter(42, varDecl())))); |
| 959 | } |
| 960 | |
| 961 | TEST(HasType, MatchesParameterVariableTypesStrictly) { |
| 962 | EXPECT_TRUE(matches( |
| 963 | "class X { void x(X x) {} };" , |
| 964 | cxxMethodDecl(hasParameter(0, hasType(recordDecl(hasName("X" ))))))); |
| 965 | EXPECT_TRUE(notMatches( |
| 966 | "class X { void x(const X &x) {} };" , |
| 967 | cxxMethodDecl(hasParameter(0, hasType(recordDecl(hasName("X" ))))))); |
| 968 | EXPECT_TRUE(matches("class X { void x(const X *x) {} };" , |
| 969 | cxxMethodDecl(hasParameter( |
| 970 | 0, hasType(pointsTo(recordDecl(hasName("X" )))))))); |
| 971 | EXPECT_TRUE(matches("class X { void x(const X &x) {} };" , |
| 972 | cxxMethodDecl(hasParameter( |
| 973 | 0, hasType(references(recordDecl(hasName("X" )))))))); |
| 974 | } |
| 975 | |
| 976 | TEST(HasAnyParameter, MatchesIndependentlyOfPosition) { |
| 977 | EXPECT_TRUE(matches( |
| 978 | "class Y {}; class X { void x(X x, Y y) {} };" , |
| 979 | cxxMethodDecl(hasAnyParameter(hasType(recordDecl(hasName("X" ))))))); |
| 980 | EXPECT_TRUE(matches( |
| 981 | "class Y {}; class X { void x(Y y, X x) {} };" , |
| 982 | cxxMethodDecl(hasAnyParameter(hasType(recordDecl(hasName("X" ))))))); |
| 983 | EXPECT_TRUE(matchesObjC("@interface I -(void)f:(int) x; @end" , |
| 984 | objcMethodDecl(hasAnyParameter(hasName("x" ))))); |
| 985 | EXPECT_TRUE(matchesObjC("int main() { void (^b)(int) = ^(int p) {}; }" , |
| 986 | blockDecl(hasAnyParameter(hasName("p" ))))); |
| 987 | } |
| 988 | |
| 989 | TEST(Returns, MatchesReturnTypes) { |
| 990 | EXPECT_TRUE(matches("class Y { int f() { return 1; } };" , |
| 991 | functionDecl(returns(asString("int" ))))); |
| 992 | EXPECT_TRUE(notMatches("class Y { int f() { return 1; } };" , |
| 993 | functionDecl(returns(asString("float" ))))); |
| 994 | EXPECT_TRUE(matches("class Y { Y getMe() { return *this; } };" , |
| 995 | functionDecl(returns(hasDeclaration( |
| 996 | recordDecl(hasName("Y" ))))))); |
| 997 | } |
| 998 | |
| 999 | TEST(HasAnyParameter, DoesntMatchIfInnerMatcherDoesntMatch) { |
| 1000 | EXPECT_TRUE(notMatches( |
| 1001 | "class Y {}; class X { void x(int) {} };" , |
| 1002 | cxxMethodDecl(hasAnyParameter(hasType(recordDecl(hasName("X" ))))))); |
| 1003 | } |
| 1004 | |
| 1005 | TEST(HasAnyParameter, DoesNotMatchThisPointer) { |
| 1006 | EXPECT_TRUE(notMatches("class Y {}; class X { void x() {} };" , |
| 1007 | cxxMethodDecl(hasAnyParameter( |
| 1008 | hasType(pointsTo(recordDecl(hasName("X" )))))))); |
| 1009 | } |
| 1010 | |
| 1011 | TEST(HasName, MatchesParameterVariableDeclarations) { |
| 1012 | EXPECT_TRUE(matches("class Y {}; class X { void x(int x) {} };" , |
| 1013 | cxxMethodDecl(hasAnyParameter(hasName("x" ))))); |
| 1014 | EXPECT_TRUE(notMatches("class Y {}; class X { void x(int) {} };" , |
| 1015 | cxxMethodDecl(hasAnyParameter(hasName("x" ))))); |
| 1016 | } |
| 1017 | |
| 1018 | TEST(Matcher, MatchesTypeTemplateArgument) { |
| 1019 | EXPECT_TRUE(matches( |
| 1020 | "template<typename T> struct B {};" |
| 1021 | "B<int> b;" , |
| 1022 | classTemplateSpecializationDecl(hasAnyTemplateArgument(refersToType( |
| 1023 | asString("int" )))))); |
| 1024 | } |
| 1025 | |
| 1026 | TEST(Matcher, MatchesTemplateTemplateArgument) { |
| 1027 | EXPECT_TRUE(matches("template<template <typename> class S> class X {};" |
| 1028 | "template<typename T> class Y {};" |
| 1029 | "X<Y> xi;" , |
| 1030 | classTemplateSpecializationDecl(hasAnyTemplateArgument( |
| 1031 | refersToTemplate(templateName()))))); |
| 1032 | } |
| 1033 | |
| 1034 | TEST(Matcher, MatchesDeclarationReferenceTemplateArgument) { |
| 1035 | EXPECT_TRUE(matches( |
| 1036 | "struct B { int next; };" |
| 1037 | "template<int(B::*next_ptr)> struct A {};" |
| 1038 | "A<&B::next> a;" , |
| 1039 | classTemplateSpecializationDecl(hasAnyTemplateArgument( |
| 1040 | refersToDeclaration(fieldDecl(hasName("next" ))))))); |
| 1041 | |
| 1042 | EXPECT_TRUE(notMatches( |
| 1043 | "template <typename T> struct A {};" |
| 1044 | "A<int> a;" , |
| 1045 | classTemplateSpecializationDecl(hasAnyTemplateArgument( |
| 1046 | refersToDeclaration(decl()))))); |
| 1047 | |
| 1048 | EXPECT_TRUE(matches( |
| 1049 | "struct B { int next; };" |
| 1050 | "template<int(B::*next_ptr)> struct A {};" |
| 1051 | "A<&B::next> a;" , |
| 1052 | templateSpecializationType(hasAnyTemplateArgument(isExpr( |
| 1053 | hasDescendant(declRefExpr(to(fieldDecl(hasName("next" )))))))))); |
| 1054 | |
| 1055 | EXPECT_TRUE(notMatches( |
| 1056 | "template <typename T> struct A {};" |
| 1057 | "A<int> a;" , |
| 1058 | templateSpecializationType(hasAnyTemplateArgument( |
| 1059 | refersToDeclaration(decl()))))); |
| 1060 | } |
| 1061 | |
| 1062 | |
| 1063 | TEST(Matcher, MatchesSpecificArgument) { |
| 1064 | EXPECT_TRUE(matches( |
| 1065 | "template<typename T, typename U> class A {};" |
| 1066 | "A<bool, int> a;" , |
| 1067 | classTemplateSpecializationDecl(hasTemplateArgument( |
| 1068 | 1, refersToType(asString("int" )))))); |
| 1069 | EXPECT_TRUE(notMatches( |
| 1070 | "template<typename T, typename U> class A {};" |
| 1071 | "A<int, bool> a;" , |
| 1072 | classTemplateSpecializationDecl(hasTemplateArgument( |
| 1073 | 1, refersToType(asString("int" )))))); |
| 1074 | |
| 1075 | EXPECT_TRUE(matches( |
| 1076 | "template<typename T, typename U> class A {};" |
| 1077 | "A<bool, int> a;" , |
| 1078 | templateSpecializationType(hasTemplateArgument( |
| 1079 | 1, refersToType(asString("int" )))))); |
| 1080 | EXPECT_TRUE(notMatches( |
| 1081 | "template<typename T, typename U> class A {};" |
| 1082 | "A<int, bool> a;" , |
| 1083 | templateSpecializationType(hasTemplateArgument( |
| 1084 | 1, refersToType(asString("int" )))))); |
| 1085 | |
| 1086 | EXPECT_TRUE(matches( |
| 1087 | "template<typename T> void f() {};" |
| 1088 | "void func() { f<int>(); }" , |
| 1089 | functionDecl(hasTemplateArgument(0, refersToType(asString("int" )))))); |
| 1090 | EXPECT_TRUE(notMatches( |
| 1091 | "template<typename T> void f() {};" , |
| 1092 | functionDecl(hasTemplateArgument(0, refersToType(asString("int" )))))); |
| 1093 | } |
| 1094 | |
| 1095 | TEST(TemplateArgument, Matches) { |
| 1096 | EXPECT_TRUE(matches("template<typename T> struct C {}; C<int> c;" , |
| 1097 | classTemplateSpecializationDecl( |
| 1098 | hasAnyTemplateArgument(templateArgument())))); |
| 1099 | EXPECT_TRUE(matches( |
| 1100 | "template<typename T> struct C {}; C<int> c;" , |
| 1101 | templateSpecializationType(hasAnyTemplateArgument(templateArgument())))); |
| 1102 | |
| 1103 | EXPECT_TRUE(matches( |
| 1104 | "template<typename T> void f() {};" |
| 1105 | "void func() { f<int>(); }" , |
| 1106 | functionDecl(hasAnyTemplateArgument(templateArgument())))); |
| 1107 | } |
| 1108 | |
| 1109 | TEST(TemplateTypeParmDecl, CXXMethodDecl) { |
| 1110 | const char input[] = |
| 1111 | "template<typename T>\n" |
| 1112 | "class Class {\n" |
| 1113 | " void method();\n" |
| 1114 | "};\n" |
| 1115 | "template<typename U>\n" |
| 1116 | "void Class<U>::method() {}\n" ; |
| 1117 | EXPECT_TRUE(matches(input, templateTypeParmDecl(hasName("T" )))); |
| 1118 | EXPECT_TRUE(matches(input, templateTypeParmDecl(hasName("U" )))); |
| 1119 | } |
| 1120 | |
| 1121 | TEST(TemplateTypeParmDecl, VarDecl) { |
| 1122 | const char input[] = |
| 1123 | "template<typename T>\n" |
| 1124 | "class Class {\n" |
| 1125 | " static T pi;\n" |
| 1126 | "};\n" |
| 1127 | "template<typename U>\n" |
| 1128 | "U Class<U>::pi = U(3.1415926535897932385);\n" ; |
| 1129 | EXPECT_TRUE(matches(input, templateTypeParmDecl(hasName("T" )))); |
| 1130 | EXPECT_TRUE(matches(input, templateTypeParmDecl(hasName("U" )))); |
| 1131 | } |
| 1132 | |
| 1133 | TEST(TemplateTypeParmDecl, VarTemplatePartialSpecializationDecl) { |
| 1134 | const char input[] = |
| 1135 | "template<typename T>\n" |
| 1136 | "struct Struct {\n" |
| 1137 | " template<typename T2> static int field;\n" |
| 1138 | "};\n" |
| 1139 | "template<typename U>\n" |
| 1140 | "template<typename U2>\n" |
| 1141 | "int Struct<U>::field<U2*> = 123;\n" ; |
| 1142 | EXPECT_TRUE( |
| 1143 | matches(input, templateTypeParmDecl(hasName("T" )), langCxx14OrLater())); |
| 1144 | EXPECT_TRUE( |
| 1145 | matches(input, templateTypeParmDecl(hasName("T2" )), langCxx14OrLater())); |
| 1146 | EXPECT_TRUE( |
| 1147 | matches(input, templateTypeParmDecl(hasName("U" )), langCxx14OrLater())); |
| 1148 | EXPECT_TRUE( |
| 1149 | matches(input, templateTypeParmDecl(hasName("U2" )), langCxx14OrLater())); |
| 1150 | } |
| 1151 | |
| 1152 | TEST(TemplateTypeParmDecl, ClassTemplatePartialSpecializationDecl) { |
| 1153 | const char input[] = |
| 1154 | "template<typename T>\n" |
| 1155 | "class Class {\n" |
| 1156 | " template<typename T2> struct Struct;\n" |
| 1157 | "};\n" |
| 1158 | "template<typename U>\n" |
| 1159 | "template<typename U2>\n" |
| 1160 | "struct Class<U>::Struct<U2*> {};\n" ; |
| 1161 | EXPECT_TRUE(matches(input, templateTypeParmDecl(hasName("T" )))); |
| 1162 | EXPECT_TRUE(matches(input, templateTypeParmDecl(hasName("T2" )))); |
| 1163 | EXPECT_TRUE(matches(input, templateTypeParmDecl(hasName("U" )))); |
| 1164 | EXPECT_TRUE(matches(input, templateTypeParmDecl(hasName("U2" )))); |
| 1165 | } |
| 1166 | |
| 1167 | TEST(TemplateTypeParmDecl, EnumDecl) { |
| 1168 | const char input[] = |
| 1169 | "template<typename T>\n" |
| 1170 | "struct Struct {\n" |
| 1171 | " enum class Enum : T;\n" |
| 1172 | "};\n" |
| 1173 | "template<typename U>\n" |
| 1174 | "enum class Struct<U>::Enum : U {\n" |
| 1175 | " e1,\n" |
| 1176 | " e2\n" |
| 1177 | "};\n" ; |
| 1178 | EXPECT_TRUE(matches(input, templateTypeParmDecl(hasName("T" )))); |
| 1179 | EXPECT_TRUE(matches(input, templateTypeParmDecl(hasName("U" )))); |
| 1180 | } |
| 1181 | |
| 1182 | TEST(TemplateTypeParmDecl, RecordDecl) { |
| 1183 | const char input[] = |
| 1184 | "template<typename T>\n" |
| 1185 | "class Class {\n" |
| 1186 | " struct Struct;\n" |
| 1187 | "};\n" |
| 1188 | "template<typename U>\n" |
| 1189 | "struct Class<U>::Struct {\n" |
| 1190 | " U field;\n" |
| 1191 | "};\n" ; |
| 1192 | EXPECT_TRUE(matches(input, templateTypeParmDecl(hasName("T" )))); |
| 1193 | EXPECT_TRUE(matches(input, templateTypeParmDecl(hasName("U" )))); |
| 1194 | } |
| 1195 | |
| 1196 | TEST(RefersToIntegralType, Matches) { |
| 1197 | EXPECT_TRUE(matches("template<int T> struct C {}; C<42> c;" , |
| 1198 | classTemplateSpecializationDecl( |
| 1199 | hasAnyTemplateArgument(refersToIntegralType( |
| 1200 | asString("int" )))))); |
| 1201 | EXPECT_TRUE(notMatches("template<unsigned T> struct C {}; C<42> c;" , |
| 1202 | classTemplateSpecializationDecl(hasAnyTemplateArgument( |
| 1203 | refersToIntegralType(asString("int" )))))); |
| 1204 | } |
| 1205 | |
| 1206 | TEST(ConstructorDeclaration, SimpleCase) { |
| 1207 | EXPECT_TRUE(matches("class Foo { Foo(int i); };" , |
| 1208 | cxxConstructorDecl(ofClass(hasName("Foo" ))))); |
| 1209 | EXPECT_TRUE(notMatches("class Foo { Foo(int i); };" , |
| 1210 | cxxConstructorDecl(ofClass(hasName("Bar" ))))); |
| 1211 | } |
| 1212 | |
| 1213 | TEST(DestructorDeclaration, MatchesVirtualDestructor) { |
| 1214 | EXPECT_TRUE(matches("class Foo { virtual ~Foo(); };" , |
| 1215 | cxxDestructorDecl(ofClass(hasName("Foo" ))))); |
| 1216 | } |
| 1217 | |
| 1218 | TEST(DestructorDeclaration, DoesNotMatchImplicitDestructor) { |
| 1219 | EXPECT_TRUE(notMatches("class Foo {};" , |
| 1220 | cxxDestructorDecl(ofClass(hasName("Foo" ))))); |
| 1221 | } |
| 1222 | |
| 1223 | TEST(HasAnyConstructorInitializer, SimpleCase) { |
| 1224 | EXPECT_TRUE( |
| 1225 | notMatches("class Foo { Foo() { } };" , |
| 1226 | cxxConstructorDecl(hasAnyConstructorInitializer(anything())))); |
| 1227 | EXPECT_TRUE( |
| 1228 | matches("class Foo {" |
| 1229 | " Foo() : foo_() { }" |
| 1230 | " int foo_;" |
| 1231 | "};" , |
| 1232 | cxxConstructorDecl(hasAnyConstructorInitializer(anything())))); |
| 1233 | } |
| 1234 | |
| 1235 | TEST(HasAnyConstructorInitializer, ForField) { |
| 1236 | static const char Code[] = |
| 1237 | "class Baz { };" |
| 1238 | "class Foo {" |
| 1239 | " Foo() : foo_(), bar_() { }" |
| 1240 | " Baz foo_;" |
| 1241 | " struct {" |
| 1242 | " Baz bar_;" |
| 1243 | " };" |
| 1244 | "};" ; |
| 1245 | EXPECT_TRUE(matches(Code, cxxConstructorDecl(hasAnyConstructorInitializer( |
| 1246 | forField(hasType(recordDecl(hasName("Baz" )))))))); |
| 1247 | EXPECT_TRUE(matches(Code, cxxConstructorDecl(hasAnyConstructorInitializer( |
| 1248 | forField(hasName("foo_" )))))); |
| 1249 | EXPECT_TRUE(matches(Code, cxxConstructorDecl(hasAnyConstructorInitializer( |
| 1250 | forField(hasName("bar_" )))))); |
| 1251 | EXPECT_TRUE(notMatches(Code, cxxConstructorDecl(hasAnyConstructorInitializer( |
| 1252 | forField(hasType(recordDecl(hasName("Bar" )))))))); |
| 1253 | } |
| 1254 | |
| 1255 | TEST(HasAnyConstructorInitializer, WithInitializer) { |
| 1256 | static const char Code[] = |
| 1257 | "class Foo {" |
| 1258 | " Foo() : foo_(0) { }" |
| 1259 | " int foo_;" |
| 1260 | "};" ; |
| 1261 | EXPECT_TRUE(matches(Code, cxxConstructorDecl(hasAnyConstructorInitializer( |
| 1262 | withInitializer(integerLiteral(equals(0))))))); |
| 1263 | EXPECT_TRUE(notMatches(Code, cxxConstructorDecl(hasAnyConstructorInitializer( |
| 1264 | withInitializer(integerLiteral(equals(1))))))); |
| 1265 | } |
| 1266 | |
| 1267 | TEST(HasAnyConstructorInitializer, IsWritten) { |
| 1268 | static const char Code[] = |
| 1269 | "struct Bar { Bar(){} };" |
| 1270 | "class Foo {" |
| 1271 | " Foo() : foo_() { }" |
| 1272 | " Bar foo_;" |
| 1273 | " Bar bar_;" |
| 1274 | "};" ; |
| 1275 | EXPECT_TRUE(matches(Code, cxxConstructorDecl(hasAnyConstructorInitializer( |
| 1276 | allOf(forField(hasName("foo_" )), isWritten()))))); |
| 1277 | EXPECT_TRUE(notMatches(Code, cxxConstructorDecl(hasAnyConstructorInitializer( |
| 1278 | allOf(forField(hasName("bar_" )), isWritten()))))); |
| 1279 | EXPECT_TRUE(matches(Code, cxxConstructorDecl(hasAnyConstructorInitializer( |
| 1280 | allOf(forField(hasName("bar_" )), unless(isWritten())))))); |
| 1281 | } |
| 1282 | |
| 1283 | TEST(HasAnyConstructorInitializer, IsBaseInitializer) { |
| 1284 | static const char Code[] = |
| 1285 | "struct B {};" |
| 1286 | "struct D : B {" |
| 1287 | " int I;" |
| 1288 | " D(int i) : I(i) {}" |
| 1289 | "};" |
| 1290 | "struct E : B {" |
| 1291 | " E() : B() {}" |
| 1292 | "};" ; |
| 1293 | EXPECT_TRUE(matches(Code, cxxConstructorDecl(allOf( |
| 1294 | hasAnyConstructorInitializer(allOf(isBaseInitializer(), isWritten())), |
| 1295 | hasName("E" ))))); |
| 1296 | EXPECT_TRUE(notMatches(Code, cxxConstructorDecl(allOf( |
| 1297 | hasAnyConstructorInitializer(allOf(isBaseInitializer(), isWritten())), |
| 1298 | hasName("D" ))))); |
| 1299 | EXPECT_TRUE(matches(Code, cxxConstructorDecl(allOf( |
| 1300 | hasAnyConstructorInitializer(allOf(isMemberInitializer(), isWritten())), |
| 1301 | hasName("D" ))))); |
| 1302 | EXPECT_TRUE(notMatches(Code, cxxConstructorDecl(allOf( |
| 1303 | hasAnyConstructorInitializer(allOf(isMemberInitializer(), isWritten())), |
| 1304 | hasName("E" ))))); |
| 1305 | } |
| 1306 | |
| 1307 | TEST(IfStmt, ChildTraversalMatchers) { |
| 1308 | EXPECT_TRUE(matches("void f() { if (false) true; else false; }" , |
| 1309 | ifStmt(hasThen(cxxBoolLiteral(equals(true)))))); |
| 1310 | EXPECT_TRUE(notMatches("void f() { if (false) false; else true; }" , |
| 1311 | ifStmt(hasThen(cxxBoolLiteral(equals(true)))))); |
| 1312 | EXPECT_TRUE(matches("void f() { if (false) false; else true; }" , |
| 1313 | ifStmt(hasElse(cxxBoolLiteral(equals(true)))))); |
| 1314 | EXPECT_TRUE(notMatches("void f() { if (false) true; else false; }" , |
| 1315 | ifStmt(hasElse(cxxBoolLiteral(equals(true)))))); |
| 1316 | } |
| 1317 | |
| 1318 | TEST(MatchBinaryOperator, HasOperatorName) { |
| 1319 | StatementMatcher OperatorOr = binaryOperator(hasOperatorName("||" )); |
| 1320 | |
| 1321 | EXPECT_TRUE(matches("void x() { true || false; }" , OperatorOr)); |
| 1322 | EXPECT_TRUE(notMatches("void x() { true && false; }" , OperatorOr)); |
| 1323 | } |
| 1324 | |
| 1325 | TEST(MatchBinaryOperator, HasAnyOperatorName) { |
| 1326 | StatementMatcher Matcher = |
| 1327 | binaryOperator(hasAnyOperatorName("+" , "-" , "*" , "/" )); |
| 1328 | |
| 1329 | EXPECT_TRUE(matches("int x(int I) { return I + 2; }" , Matcher)); |
| 1330 | EXPECT_TRUE(matches("int x(int I) { return I - 2; }" , Matcher)); |
| 1331 | EXPECT_TRUE(matches("int x(int I) { return I * 2; }" , Matcher)); |
| 1332 | EXPECT_TRUE(matches("int x(int I) { return I / 2; }" , Matcher)); |
| 1333 | EXPECT_TRUE(notMatches("int x(int I) { return I % 2; }" , Matcher)); |
| 1334 | // Ensure '+= isn't mistaken. |
| 1335 | EXPECT_TRUE(notMatches("void x(int &I) { I += 1; }" , Matcher)); |
| 1336 | } |
| 1337 | |
| 1338 | TEST(MatchBinaryOperator, HasLHSAndHasRHS) { |
| 1339 | StatementMatcher OperatorTrueFalse = |
| 1340 | binaryOperator(hasLHS(cxxBoolLiteral(equals(true))), |
| 1341 | hasRHS(cxxBoolLiteral(equals(false)))); |
| 1342 | |
| 1343 | EXPECT_TRUE(matches("void x() { true || false; }" , OperatorTrueFalse)); |
| 1344 | EXPECT_TRUE(matches("void x() { true && false; }" , OperatorTrueFalse)); |
| 1345 | EXPECT_TRUE(notMatches("void x() { false || true; }" , OperatorTrueFalse)); |
| 1346 | |
| 1347 | StatementMatcher OperatorIntPointer = arraySubscriptExpr( |
| 1348 | hasLHS(hasType(isInteger())), |
| 1349 | traverse(TK_AsIs, hasRHS(hasType(pointsTo(qualType()))))); |
| 1350 | EXPECT_TRUE(matches("void x() { 1[\"abc\"]; }" , OperatorIntPointer)); |
| 1351 | EXPECT_TRUE(notMatches("void x() { \"abc\"[1]; }" , OperatorIntPointer)); |
| 1352 | |
| 1353 | StringRef Code = R"cpp( |
| 1354 | struct HasOpEqMem |
| 1355 | { |
| 1356 | bool operator==(const HasOpEqMem& other) const |
| 1357 | { |
| 1358 | return true; |
| 1359 | } |
| 1360 | }; |
| 1361 | |
| 1362 | struct HasOpFree |
| 1363 | { |
| 1364 | }; |
| 1365 | bool operator==(const HasOpFree& lhs, const HasOpFree& rhs) |
| 1366 | { |
| 1367 | return true; |
| 1368 | } |
| 1369 | |
| 1370 | void opMem() |
| 1371 | { |
| 1372 | HasOpEqMem s1; |
| 1373 | HasOpEqMem s2; |
| 1374 | if (s1 == s2) |
| 1375 | return; |
| 1376 | } |
| 1377 | |
| 1378 | void opFree() |
| 1379 | { |
| 1380 | HasOpFree s1; |
| 1381 | HasOpFree s2; |
| 1382 | if (s1 == s2) |
| 1383 | return; |
| 1384 | } |
| 1385 | )cpp" ; |
| 1386 | auto s1Expr = declRefExpr(to(varDecl(hasName("s1" )))); |
| 1387 | auto s2Expr = declRefExpr(to(varDecl(hasName("s2" )))); |
| 1388 | EXPECT_TRUE(matches( |
| 1389 | Code, |
| 1390 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 1391 | cxxOperatorCallExpr(forFunction(functionDecl(hasName("opMem" ))), |
| 1392 | hasOperatorName("==" ), hasLHS(s1Expr), |
| 1393 | hasRHS(s2Expr))))); |
| 1394 | EXPECT_TRUE(matches( |
| 1395 | Code, traverse(TK_IgnoreUnlessSpelledInSource, |
| 1396 | cxxOperatorCallExpr( |
| 1397 | forFunction(functionDecl(hasName("opMem" ))), |
| 1398 | hasAnyOperatorName("!=" , "==" ), hasLHS(s1Expr))))); |
| 1399 | EXPECT_TRUE(matches( |
| 1400 | Code, traverse(TK_IgnoreUnlessSpelledInSource, |
| 1401 | cxxOperatorCallExpr( |
| 1402 | forFunction(functionDecl(hasName("opMem" ))), |
| 1403 | hasOperatorName("==" ), hasOperands(s1Expr, s2Expr))))); |
| 1404 | EXPECT_TRUE(matches( |
| 1405 | Code, traverse(TK_IgnoreUnlessSpelledInSource, |
| 1406 | cxxOperatorCallExpr( |
| 1407 | forFunction(functionDecl(hasName("opMem" ))), |
| 1408 | hasOperatorName("==" ), hasEitherOperand(s2Expr))))); |
| 1409 | |
| 1410 | EXPECT_TRUE(matches( |
| 1411 | Code, |
| 1412 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 1413 | cxxOperatorCallExpr(forFunction(functionDecl(hasName("opFree" ))), |
| 1414 | hasOperatorName("==" ), hasLHS(s1Expr), |
| 1415 | hasRHS(s2Expr))))); |
| 1416 | EXPECT_TRUE(matches( |
| 1417 | Code, traverse(TK_IgnoreUnlessSpelledInSource, |
| 1418 | cxxOperatorCallExpr( |
| 1419 | forFunction(functionDecl(hasName("opFree" ))), |
| 1420 | hasAnyOperatorName("!=" , "==" ), hasLHS(s1Expr))))); |
| 1421 | EXPECT_TRUE(matches( |
| 1422 | Code, traverse(TK_IgnoreUnlessSpelledInSource, |
| 1423 | cxxOperatorCallExpr( |
| 1424 | forFunction(functionDecl(hasName("opFree" ))), |
| 1425 | hasOperatorName("==" ), hasOperands(s1Expr, s2Expr))))); |
| 1426 | EXPECT_TRUE(matches( |
| 1427 | Code, traverse(TK_IgnoreUnlessSpelledInSource, |
| 1428 | cxxOperatorCallExpr( |
| 1429 | forFunction(functionDecl(hasName("opFree" ))), |
| 1430 | hasOperatorName("==" ), hasEitherOperand(s2Expr))))); |
| 1431 | } |
| 1432 | |
| 1433 | TEST(MatchBinaryOperator, HasEitherOperand) { |
| 1434 | StatementMatcher HasOperand = |
| 1435 | binaryOperator(hasEitherOperand(cxxBoolLiteral(equals(false)))); |
| 1436 | |
| 1437 | EXPECT_TRUE(matches("void x() { true || false; }" , HasOperand)); |
| 1438 | EXPECT_TRUE(matches("void x() { false && true; }" , HasOperand)); |
| 1439 | EXPECT_TRUE(notMatches("void x() { true || true; }" , HasOperand)); |
| 1440 | } |
| 1441 | |
| 1442 | TEST(MatchBinaryOperator, HasOperands) { |
| 1443 | StatementMatcher HasOperands = binaryOperator( |
| 1444 | hasOperands(integerLiteral(equals(1)), integerLiteral(equals(2)))); |
| 1445 | EXPECT_TRUE(matches("void x() { 1 + 2; }" , HasOperands)); |
| 1446 | EXPECT_TRUE(matches("void x() { 2 + 1; }" , HasOperands)); |
| 1447 | EXPECT_TRUE(notMatches("void x() { 1 + 1; }" , HasOperands)); |
| 1448 | EXPECT_TRUE(notMatches("void x() { 2 + 2; }" , HasOperands)); |
| 1449 | EXPECT_TRUE(notMatches("void x() { 0 + 0; }" , HasOperands)); |
| 1450 | EXPECT_TRUE(notMatches("void x() { 0 + 1; }" , HasOperands)); |
| 1451 | } |
| 1452 | |
| 1453 | TEST(Matcher, BinaryOperatorTypes) { |
| 1454 | // Integration test that verifies the AST provides all binary operators in |
| 1455 | // a way we expect. |
| 1456 | // FIXME: Operator ',' |
| 1457 | EXPECT_TRUE( |
| 1458 | matches("void x() { 3, 4; }" , binaryOperator(hasOperatorName("," )))); |
| 1459 | EXPECT_TRUE( |
| 1460 | matches("bool b; bool c = (b = true);" , |
| 1461 | binaryOperator(hasOperatorName("=" )))); |
| 1462 | EXPECT_TRUE( |
| 1463 | matches("bool b = 1 != 2;" , binaryOperator(hasOperatorName("!=" )))); |
| 1464 | EXPECT_TRUE( |
| 1465 | matches("bool b = 1 == 2;" , binaryOperator(hasOperatorName("==" )))); |
| 1466 | EXPECT_TRUE(matches("bool b = 1 < 2;" , binaryOperator(hasOperatorName("<" )))); |
| 1467 | EXPECT_TRUE( |
| 1468 | matches("bool b = 1 <= 2;" , binaryOperator(hasOperatorName("<=" )))); |
| 1469 | EXPECT_TRUE( |
| 1470 | matches("int i = 1 << 2;" , binaryOperator(hasOperatorName("<<" )))); |
| 1471 | EXPECT_TRUE( |
| 1472 | matches("int i = 1; int j = (i <<= 2);" , |
| 1473 | binaryOperator(hasOperatorName("<<=" )))); |
| 1474 | EXPECT_TRUE(matches("bool b = 1 > 2;" , binaryOperator(hasOperatorName(">" )))); |
| 1475 | EXPECT_TRUE( |
| 1476 | matches("bool b = 1 >= 2;" , binaryOperator(hasOperatorName(">=" )))); |
| 1477 | EXPECT_TRUE( |
| 1478 | matches("int i = 1 >> 2;" , binaryOperator(hasOperatorName(">>" )))); |
| 1479 | EXPECT_TRUE( |
| 1480 | matches("int i = 1; int j = (i >>= 2);" , |
| 1481 | binaryOperator(hasOperatorName(">>=" )))); |
| 1482 | EXPECT_TRUE( |
| 1483 | matches("int i = 42 ^ 23;" , binaryOperator(hasOperatorName("^" )))); |
| 1484 | EXPECT_TRUE( |
| 1485 | matches("int i = 42; int j = (i ^= 42);" , |
| 1486 | binaryOperator(hasOperatorName("^=" )))); |
| 1487 | EXPECT_TRUE( |
| 1488 | matches("int i = 42 % 23;" , binaryOperator(hasOperatorName("%" )))); |
| 1489 | EXPECT_TRUE( |
| 1490 | matches("int i = 42; int j = (i %= 42);" , |
| 1491 | binaryOperator(hasOperatorName("%=" )))); |
| 1492 | EXPECT_TRUE( |
| 1493 | matches("bool b = 42 &23;" , binaryOperator(hasOperatorName("&" )))); |
| 1494 | EXPECT_TRUE( |
| 1495 | matches("bool b = true && false;" , |
| 1496 | binaryOperator(hasOperatorName("&&" )))); |
| 1497 | EXPECT_TRUE( |
| 1498 | matches("bool b = true; bool c = (b &= false);" , |
| 1499 | binaryOperator(hasOperatorName("&=" )))); |
| 1500 | EXPECT_TRUE( |
| 1501 | matches("bool b = 42 | 23;" , binaryOperator(hasOperatorName("|" )))); |
| 1502 | EXPECT_TRUE( |
| 1503 | matches("bool b = true || false;" , |
| 1504 | binaryOperator(hasOperatorName("||" )))); |
| 1505 | EXPECT_TRUE( |
| 1506 | matches("bool b = true; bool c = (b |= false);" , |
| 1507 | binaryOperator(hasOperatorName("|=" )))); |
| 1508 | EXPECT_TRUE( |
| 1509 | matches("int i = 42 *23;" , binaryOperator(hasOperatorName("*" )))); |
| 1510 | EXPECT_TRUE( |
| 1511 | matches("int i = 42; int j = (i *= 23);" , |
| 1512 | binaryOperator(hasOperatorName("*=" )))); |
| 1513 | EXPECT_TRUE( |
| 1514 | matches("int i = 42 / 23;" , binaryOperator(hasOperatorName("/" )))); |
| 1515 | EXPECT_TRUE( |
| 1516 | matches("int i = 42; int j = (i /= 23);" , |
| 1517 | binaryOperator(hasOperatorName("/=" )))); |
| 1518 | EXPECT_TRUE( |
| 1519 | matches("int i = 42 + 23;" , binaryOperator(hasOperatorName("+" )))); |
| 1520 | EXPECT_TRUE( |
| 1521 | matches("int i = 42; int j = (i += 23);" , |
| 1522 | binaryOperator(hasOperatorName("+=" )))); |
| 1523 | EXPECT_TRUE( |
| 1524 | matches("int i = 42 - 23;" , binaryOperator(hasOperatorName("-" )))); |
| 1525 | EXPECT_TRUE( |
| 1526 | matches("int i = 42; int j = (i -= 23);" , |
| 1527 | binaryOperator(hasOperatorName("-=" )))); |
| 1528 | EXPECT_TRUE( |
| 1529 | matches("struct A { void x() { void (A::*a)(); (this->*a)(); } };" , |
| 1530 | binaryOperator(hasOperatorName("->*" )))); |
| 1531 | EXPECT_TRUE( |
| 1532 | matches("struct A { void x() { void (A::*a)(); ((*this).*a)(); } };" , |
| 1533 | binaryOperator(hasOperatorName(".*" )))); |
| 1534 | |
| 1535 | // Member expressions as operators are not supported in matches. |
| 1536 | EXPECT_TRUE( |
| 1537 | notMatches("struct A { void x(A *a) { a->x(this); } };" , |
| 1538 | binaryOperator(hasOperatorName("->" )))); |
| 1539 | |
| 1540 | // Initializer assignments are not represented as operator equals. |
| 1541 | EXPECT_TRUE( |
| 1542 | notMatches("bool b = true;" , binaryOperator(hasOperatorName("=" )))); |
| 1543 | |
| 1544 | // Array indexing is not represented as operator. |
| 1545 | EXPECT_TRUE(notMatches("int a[42]; void x() { a[23]; }" , unaryOperator())); |
| 1546 | |
| 1547 | // Overloaded operators do not match at all. |
| 1548 | EXPECT_TRUE(notMatches( |
| 1549 | "struct A { bool operator&&(const A &a) const { return false; } };" |
| 1550 | "void x() { A a, b; a && b; }" , |
| 1551 | binaryOperator())); |
| 1552 | } |
| 1553 | |
| 1554 | TEST(MatchUnaryOperator, HasOperatorName) { |
| 1555 | StatementMatcher OperatorNot = unaryOperator(hasOperatorName("!" )); |
| 1556 | |
| 1557 | EXPECT_TRUE(matches("void x() { !true; } " , OperatorNot)); |
| 1558 | EXPECT_TRUE(notMatches("void x() { true; } " , OperatorNot)); |
| 1559 | } |
| 1560 | |
| 1561 | TEST(MatchUnaryOperator, HasAnyOperatorName) { |
| 1562 | StatementMatcher Matcher = unaryOperator(hasAnyOperatorName("-" , "*" , "++" )); |
| 1563 | |
| 1564 | EXPECT_TRUE(matches("int x(int *I) { return *I; }" , Matcher)); |
| 1565 | EXPECT_TRUE(matches("int x(int I) { return -I; }" , Matcher)); |
| 1566 | EXPECT_TRUE(matches("void x(int &I) { I++; }" , Matcher)); |
| 1567 | EXPECT_TRUE(matches("void x(int &I) { ++I; }" , Matcher)); |
| 1568 | EXPECT_TRUE(notMatches("void x(int &I) { I--; }" , Matcher)); |
| 1569 | EXPECT_TRUE(notMatches("void x(int &I) { --I; }" , Matcher)); |
| 1570 | EXPECT_TRUE(notMatches("int *x(int &I) { return &I; }" , Matcher)); |
| 1571 | } |
| 1572 | |
| 1573 | TEST(MatchUnaryOperator, HasUnaryOperand) { |
| 1574 | StatementMatcher OperatorOnFalse = |
| 1575 | unaryOperator(hasUnaryOperand(cxxBoolLiteral(equals(false)))); |
| 1576 | |
| 1577 | EXPECT_TRUE(matches("void x() { !false; }" , OperatorOnFalse)); |
| 1578 | EXPECT_TRUE(notMatches("void x() { !true; }" , OperatorOnFalse)); |
| 1579 | |
| 1580 | StringRef Code = R"cpp( |
| 1581 | struct HasOpBangMem |
| 1582 | { |
| 1583 | bool operator!() const |
| 1584 | { |
| 1585 | return false; |
| 1586 | } |
| 1587 | }; |
| 1588 | struct HasOpBangFree |
| 1589 | { |
| 1590 | }; |
| 1591 | bool operator!(HasOpBangFree const&) |
| 1592 | { |
| 1593 | return false; |
| 1594 | } |
| 1595 | |
| 1596 | void opMem() |
| 1597 | { |
| 1598 | HasOpBangMem s1; |
| 1599 | if (!s1) |
| 1600 | return; |
| 1601 | } |
| 1602 | void opFree() |
| 1603 | { |
| 1604 | HasOpBangFree s1; |
| 1605 | if (!s1) |
| 1606 | return; |
| 1607 | } |
| 1608 | )cpp" ; |
| 1609 | auto s1Expr = declRefExpr(to(varDecl(hasName("s1" )))); |
| 1610 | EXPECT_TRUE(matches( |
| 1611 | Code, traverse(TK_IgnoreUnlessSpelledInSource, |
| 1612 | cxxOperatorCallExpr( |
| 1613 | forFunction(functionDecl(hasName("opMem" ))), |
| 1614 | hasOperatorName("!" ), hasUnaryOperand(s1Expr))))); |
| 1615 | EXPECT_TRUE(matches( |
| 1616 | Code, |
| 1617 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 1618 | cxxOperatorCallExpr(forFunction(functionDecl(hasName("opMem" ))), |
| 1619 | hasAnyOperatorName("+" , "!" ), |
| 1620 | hasUnaryOperand(s1Expr))))); |
| 1621 | |
| 1622 | EXPECT_TRUE(matches( |
| 1623 | Code, traverse(TK_IgnoreUnlessSpelledInSource, |
| 1624 | cxxOperatorCallExpr( |
| 1625 | forFunction(functionDecl(hasName("opFree" ))), |
| 1626 | hasOperatorName("!" ), hasUnaryOperand(s1Expr))))); |
| 1627 | EXPECT_TRUE(matches( |
| 1628 | Code, |
| 1629 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 1630 | cxxOperatorCallExpr(forFunction(functionDecl(hasName("opFree" ))), |
| 1631 | hasAnyOperatorName("+" , "!" ), |
| 1632 | hasUnaryOperand(s1Expr))))); |
| 1633 | } |
| 1634 | |
| 1635 | TEST(Matcher, UnaryOperatorTypes) { |
| 1636 | // Integration test that verifies the AST provides all unary operators in |
| 1637 | // a way we expect. |
| 1638 | EXPECT_TRUE(matches("bool b = !true;" , unaryOperator(hasOperatorName("!" )))); |
| 1639 | EXPECT_TRUE( |
| 1640 | matches("bool b; bool *p = &b;" , unaryOperator(hasOperatorName("&" )))); |
| 1641 | EXPECT_TRUE(matches("int i = ~ 1;" , unaryOperator(hasOperatorName("~" )))); |
| 1642 | EXPECT_TRUE( |
| 1643 | matches("bool *p; bool b = *p;" , unaryOperator(hasOperatorName("*" )))); |
| 1644 | EXPECT_TRUE( |
| 1645 | matches("int i; int j = +i;" , unaryOperator(hasOperatorName("+" )))); |
| 1646 | EXPECT_TRUE( |
| 1647 | matches("int i; int j = -i;" , unaryOperator(hasOperatorName("-" )))); |
| 1648 | EXPECT_TRUE( |
| 1649 | matches("int i; int j = ++i;" , unaryOperator(hasOperatorName("++" )))); |
| 1650 | EXPECT_TRUE( |
| 1651 | matches("int i; int j = i++;" , unaryOperator(hasOperatorName("++" )))); |
| 1652 | EXPECT_TRUE( |
| 1653 | matches("int i; int j = --i;" , unaryOperator(hasOperatorName("--" )))); |
| 1654 | EXPECT_TRUE( |
| 1655 | matches("int i; int j = i--;" , unaryOperator(hasOperatorName("--" )))); |
| 1656 | |
| 1657 | // We don't match conversion operators. |
| 1658 | EXPECT_TRUE(notMatches("int i; double d = (double)i;" , unaryOperator())); |
| 1659 | |
| 1660 | // Function calls are not represented as operator. |
| 1661 | EXPECT_TRUE(notMatches("void f(); void x() { f(); }" , unaryOperator())); |
| 1662 | |
| 1663 | // Overloaded operators do not match at all. |
| 1664 | // FIXME: We probably want to add that. |
| 1665 | EXPECT_TRUE(notMatches( |
| 1666 | "struct A { bool operator!() const { return false; } };" |
| 1667 | "void x() { A a; !a; }" , unaryOperator(hasOperatorName("!" )))); |
| 1668 | } |
| 1669 | |
| 1670 | TEST(ArraySubscriptMatchers, ArrayIndex) { |
| 1671 | EXPECT_TRUE(matches( |
| 1672 | "int i[2]; void f() { i[1] = 1; }" , |
| 1673 | arraySubscriptExpr(hasIndex(integerLiteral(equals(1)))))); |
| 1674 | EXPECT_TRUE(matches( |
| 1675 | "int i[2]; void f() { 1[i] = 1; }" , |
| 1676 | arraySubscriptExpr(hasIndex(integerLiteral(equals(1)))))); |
| 1677 | EXPECT_TRUE(notMatches( |
| 1678 | "int i[2]; void f() { i[1] = 1; }" , |
| 1679 | arraySubscriptExpr(hasIndex(integerLiteral(equals(0)))))); |
| 1680 | } |
| 1681 | |
| 1682 | TEST(ArraySubscriptMatchers, MatchesArrayBase) { |
| 1683 | EXPECT_TRUE( |
| 1684 | matches("int i[2]; void f() { i[1] = 2; }" , |
| 1685 | traverse(TK_AsIs, arraySubscriptExpr(hasBase(implicitCastExpr( |
| 1686 | hasSourceExpression(declRefExpr()))))))); |
| 1687 | } |
| 1688 | |
| 1689 | TEST(Matcher, OfClass) { |
| 1690 | StatementMatcher Constructor = cxxConstructExpr(hasDeclaration(cxxMethodDecl( |
| 1691 | ofClass(hasName("X" ))))); |
| 1692 | |
| 1693 | EXPECT_TRUE( |
| 1694 | matches("class X { public: X(); }; void x(int) { X x; }" , Constructor)); |
| 1695 | EXPECT_TRUE( |
| 1696 | matches("class X { public: X(); }; void x(int) { X x = X(); }" , |
| 1697 | Constructor)); |
| 1698 | EXPECT_TRUE( |
| 1699 | notMatches("class Y { public: Y(); }; void x(int) { Y y; }" , |
| 1700 | Constructor)); |
| 1701 | } |
| 1702 | |
| 1703 | TEST(Matcher, VisitsTemplateInstantiations) { |
| 1704 | EXPECT_TRUE(matches( |
| 1705 | "class A { public: void x(); };" |
| 1706 | "template <typename T> class B { public: void y() { T t; t.x(); } };" |
| 1707 | "void f() { B<A> b; b.y(); }" , |
| 1708 | callExpr(callee(cxxMethodDecl(hasName("x" )))))); |
| 1709 | |
| 1710 | EXPECT_TRUE(matches( |
| 1711 | "class A { public: void x(); };" |
| 1712 | "class C {" |
| 1713 | " public:" |
| 1714 | " template <typename T> class B { public: void y() { T t; t.x(); } };" |
| 1715 | "};" |
| 1716 | "void f() {" |
| 1717 | " C::B<A> b; b.y();" |
| 1718 | "}" , |
| 1719 | recordDecl(hasName("C" ), hasDescendant(callExpr( |
| 1720 | callee(cxxMethodDecl(hasName("x" )))))))); |
| 1721 | } |
| 1722 | |
| 1723 | TEST(Matcher, HasCondition) { |
| 1724 | StatementMatcher IfStmt = |
| 1725 | ifStmt(hasCondition(cxxBoolLiteral(equals(true)))); |
| 1726 | EXPECT_TRUE(matches("void x() { if (true) {} }" , IfStmt)); |
| 1727 | EXPECT_TRUE(notMatches("void x() { if (false) {} }" , IfStmt)); |
| 1728 | |
| 1729 | StatementMatcher ForStmt = |
| 1730 | forStmt(hasCondition(cxxBoolLiteral(equals(true)))); |
| 1731 | EXPECT_TRUE(matches("void x() { for (;true;) {} }" , ForStmt)); |
| 1732 | EXPECT_TRUE(notMatches("void x() { for (;false;) {} }" , ForStmt)); |
| 1733 | |
| 1734 | StatementMatcher WhileStmt = |
| 1735 | whileStmt(hasCondition(cxxBoolLiteral(equals(true)))); |
| 1736 | EXPECT_TRUE(matches("void x() { while (true) {} }" , WhileStmt)); |
| 1737 | EXPECT_TRUE(notMatches("void x() { while (false) {} }" , WhileStmt)); |
| 1738 | |
| 1739 | StatementMatcher SwitchStmt = |
| 1740 | switchStmt(hasCondition(integerLiteral(equals(42)))); |
| 1741 | EXPECT_TRUE(matches("void x() { switch (42) {case 42:;} }" , SwitchStmt)); |
| 1742 | EXPECT_TRUE(notMatches("void x() { switch (43) {case 43:;} }" , SwitchStmt)); |
| 1743 | } |
| 1744 | |
| 1745 | TEST(For, ForLoopInternals) { |
| 1746 | EXPECT_TRUE(matches("void f(){ int i; for (; i < 3 ; ); }" , |
| 1747 | forStmt(hasCondition(anything())))); |
| 1748 | EXPECT_TRUE(matches("void f() { for (int i = 0; ;); }" , |
| 1749 | forStmt(hasLoopInit(anything())))); |
| 1750 | } |
| 1751 | |
| 1752 | TEST(For, ForRangeLoopInternals) { |
| 1753 | EXPECT_TRUE(matches("void f(){ int a[] {1, 2}; for (int i : a); }" , |
| 1754 | cxxForRangeStmt(hasLoopVariable(anything())))); |
| 1755 | EXPECT_TRUE(matches( |
| 1756 | "void f(){ int a[] {1, 2}; for (int i : a); }" , |
| 1757 | cxxForRangeStmt(hasRangeInit(declRefExpr(to(varDecl(hasName("a" )))))))); |
| 1758 | } |
| 1759 | |
| 1760 | TEST(For, NegativeForLoopInternals) { |
| 1761 | EXPECT_TRUE(notMatches("void f(){ for (int i = 0; ; ++i); }" , |
| 1762 | forStmt(hasCondition(expr())))); |
| 1763 | EXPECT_TRUE(notMatches("void f() {int i; for (; i < 4; ++i) {} }" , |
| 1764 | forStmt(hasLoopInit(anything())))); |
| 1765 | } |
| 1766 | |
| 1767 | TEST(HasBody, FindsBodyOfForWhileDoLoops) { |
| 1768 | EXPECT_TRUE(matches("void f() { for(;;) {} }" , |
| 1769 | forStmt(hasBody(compoundStmt())))); |
| 1770 | EXPECT_TRUE(notMatches("void f() { for(;;); }" , |
| 1771 | forStmt(hasBody(compoundStmt())))); |
| 1772 | EXPECT_TRUE(matches("void f() { while(true) {} }" , |
| 1773 | whileStmt(hasBody(compoundStmt())))); |
| 1774 | EXPECT_TRUE(matches("void f() { do {} while(true); }" , |
| 1775 | doStmt(hasBody(compoundStmt())))); |
| 1776 | EXPECT_TRUE(matches("void f() { int p[2]; for (auto x : p) {} }" , |
| 1777 | cxxForRangeStmt(hasBody(compoundStmt())))); |
| 1778 | } |
| 1779 | |
| 1780 | TEST(HasBody, FindsBodyOfFunctions) { |
| 1781 | EXPECT_TRUE(matches("void f() {}" , functionDecl(hasBody(compoundStmt())))); |
| 1782 | EXPECT_TRUE(notMatches("void f();" , functionDecl(hasBody(compoundStmt())))); |
| 1783 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 1784 | "void f(); void f() {}" , |
| 1785 | functionDecl(hasBody(compoundStmt())).bind("func" ), |
| 1786 | std::make_unique<VerifyIdIsBoundTo<FunctionDecl>>("func" , 1))); |
| 1787 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 1788 | "class C { void f(); }; void C::f() {}" , |
| 1789 | cxxMethodDecl(hasBody(compoundStmt())).bind("met" ), |
| 1790 | std::make_unique<VerifyIdIsBoundTo<CXXMethodDecl>>("met" , 1))); |
| 1791 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 1792 | "class C { C(); }; C::C() {}" , |
| 1793 | cxxConstructorDecl(hasBody(compoundStmt())).bind("ctr" ), |
| 1794 | std::make_unique<VerifyIdIsBoundTo<CXXConstructorDecl>>("ctr" , 1))); |
| 1795 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 1796 | "class C { ~C(); }; C::~C() {}" , |
| 1797 | cxxDestructorDecl(hasBody(compoundStmt())).bind("dtr" ), |
| 1798 | std::make_unique<VerifyIdIsBoundTo<CXXDestructorDecl>>("dtr" , 1))); |
| 1799 | } |
| 1800 | |
| 1801 | TEST(HasAnyBody, FindsAnyBodyOfFunctions) { |
| 1802 | EXPECT_TRUE(matches("void f() {}" , functionDecl(hasAnyBody(compoundStmt())))); |
| 1803 | EXPECT_TRUE(notMatches("void f();" , |
| 1804 | functionDecl(hasAnyBody(compoundStmt())))); |
| 1805 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 1806 | "void f(); void f() {}" , |
| 1807 | functionDecl(hasAnyBody(compoundStmt())).bind("func" ), |
| 1808 | std::make_unique<VerifyIdIsBoundTo<FunctionDecl>>("func" , 2))); |
| 1809 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 1810 | "class C { void f(); }; void C::f() {}" , |
| 1811 | cxxMethodDecl(hasAnyBody(compoundStmt())).bind("met" ), |
| 1812 | std::make_unique<VerifyIdIsBoundTo<CXXMethodDecl>>("met" , 2))); |
| 1813 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 1814 | "class C { C(); }; C::C() {}" , |
| 1815 | cxxConstructorDecl(hasAnyBody(compoundStmt())).bind("ctr" ), |
| 1816 | std::make_unique<VerifyIdIsBoundTo<CXXConstructorDecl>>("ctr" , 2))); |
| 1817 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 1818 | "class C { ~C(); }; C::~C() {}" , |
| 1819 | cxxDestructorDecl(hasAnyBody(compoundStmt())).bind("dtr" ), |
| 1820 | std::make_unique<VerifyIdIsBoundTo<CXXDestructorDecl>>("dtr" , 2))); |
| 1821 | } |
| 1822 | |
| 1823 | TEST(HasAnySubstatement, MatchesForTopLevelCompoundStatement) { |
| 1824 | // The simplest case: every compound statement is in a function |
| 1825 | // definition, and the function body itself must be a compound |
| 1826 | // statement. |
| 1827 | EXPECT_TRUE(matches("void f() { for (;;); }" , |
| 1828 | compoundStmt(hasAnySubstatement(forStmt())))); |
| 1829 | } |
| 1830 | |
| 1831 | TEST(HasAnySubstatement, IsNotRecursive) { |
| 1832 | // It's really "has any immediate substatement". |
| 1833 | EXPECT_TRUE(notMatches("void f() { if (true) for (;;); }" , |
| 1834 | compoundStmt(hasAnySubstatement(forStmt())))); |
| 1835 | } |
| 1836 | |
| 1837 | TEST(HasAnySubstatement, MatchesInNestedCompoundStatements) { |
| 1838 | EXPECT_TRUE(matches("void f() { if (true) { for (;;); } }" , |
| 1839 | compoundStmt(hasAnySubstatement(forStmt())))); |
| 1840 | } |
| 1841 | |
| 1842 | TEST(HasAnySubstatement, FindsSubstatementBetweenOthers) { |
| 1843 | EXPECT_TRUE(matches("void f() { 1; 2; 3; for (;;); 4; 5; 6; }" , |
| 1844 | compoundStmt(hasAnySubstatement(forStmt())))); |
| 1845 | } |
| 1846 | |
| 1847 | TEST(Member, MatchesMemberAllocationFunction) { |
| 1848 | // Fails in C++11 mode |
| 1849 | EXPECT_TRUE(matchesConditionally( |
| 1850 | "namespace std { typedef typeof(sizeof(int)) size_t; }" |
| 1851 | "class X { void *operator new(std::size_t); };" , |
| 1852 | cxxMethodDecl(ofClass(hasName("X" ))), true, {"-std=gnu++03" })); |
| 1853 | |
| 1854 | EXPECT_TRUE(matches("class X { void operator delete(void*); };" , |
| 1855 | cxxMethodDecl(ofClass(hasName("X" ))))); |
| 1856 | |
| 1857 | // Fails in C++11 mode |
| 1858 | EXPECT_TRUE(matchesConditionally( |
| 1859 | "namespace std { typedef typeof(sizeof(int)) size_t; }" |
| 1860 | "class X { void operator delete[](void*, std::size_t); };" , |
| 1861 | cxxMethodDecl(ofClass(hasName("X" ))), true, {"-std=gnu++03" })); |
| 1862 | } |
| 1863 | |
| 1864 | TEST(HasDestinationType, MatchesSimpleCase) { |
| 1865 | EXPECT_TRUE(matches("char* p = static_cast<char*>(0);" , |
| 1866 | cxxStaticCastExpr(hasDestinationType( |
| 1867 | pointsTo(TypeMatcher(anything())))))); |
| 1868 | } |
| 1869 | |
| 1870 | TEST(HasImplicitDestinationType, MatchesSimpleCase) { |
| 1871 | // This test creates an implicit const cast. |
| 1872 | EXPECT_TRUE(matches( |
| 1873 | "int x; const int i = x;" , |
| 1874 | traverse(TK_AsIs, |
| 1875 | implicitCastExpr(hasImplicitDestinationType(isInteger()))))); |
| 1876 | // This test creates an implicit array-to-pointer cast. |
| 1877 | EXPECT_TRUE( |
| 1878 | matches("int arr[3]; int *p = arr;" , |
| 1879 | traverse(TK_AsIs, implicitCastExpr(hasImplicitDestinationType( |
| 1880 | pointsTo(TypeMatcher(anything()))))))); |
| 1881 | } |
| 1882 | |
| 1883 | TEST(HasImplicitDestinationType, DoesNotMatchIncorrectly) { |
| 1884 | // This test creates an implicit cast from int to char. |
| 1885 | EXPECT_TRUE(notMatches("char c = 0;" , |
| 1886 | implicitCastExpr(hasImplicitDestinationType( |
| 1887 | unless(anything()))))); |
| 1888 | // This test creates an implicit array-to-pointer cast. |
| 1889 | EXPECT_TRUE(notMatches("int arr[3]; int *p = arr;" , |
| 1890 | implicitCastExpr(hasImplicitDestinationType( |
| 1891 | unless(anything()))))); |
| 1892 | } |
| 1893 | |
| 1894 | TEST(Matcher, IgnoresElidableConstructors) { |
| 1895 | EXPECT_TRUE( |
| 1896 | matches("struct H {};" |
| 1897 | "template<typename T> H B(T A);" |
| 1898 | "void f() {" |
| 1899 | " H D1;" |
| 1900 | " D1 = B(B(1));" |
| 1901 | "}" , |
| 1902 | cxxOperatorCallExpr(hasArgument( |
| 1903 | 1, callExpr(hasArgument( |
| 1904 | 0, ignoringElidableConstructorCall(callExpr()))))), |
| 1905 | langCxx11OrLater())); |
| 1906 | EXPECT_TRUE( |
| 1907 | matches("struct H {};" |
| 1908 | "template<typename T> H B(T A);" |
| 1909 | "void f() {" |
| 1910 | " H D1;" |
| 1911 | " D1 = B(1);" |
| 1912 | "}" , |
| 1913 | cxxOperatorCallExpr(hasArgument( |
| 1914 | 1, callExpr(hasArgument(0, ignoringElidableConstructorCall( |
| 1915 | integerLiteral()))))), |
| 1916 | langCxx11OrLater())); |
| 1917 | EXPECT_TRUE(matches( |
| 1918 | "struct H {};" |
| 1919 | "H G();" |
| 1920 | "void f() {" |
| 1921 | " H D = G();" |
| 1922 | "}" , |
| 1923 | varDecl(hasInitializer(anyOf( |
| 1924 | ignoringElidableConstructorCall(callExpr()), |
| 1925 | exprWithCleanups(has(ignoringElidableConstructorCall(callExpr())))))), |
| 1926 | langCxx11OrLater())); |
| 1927 | } |
| 1928 | |
| 1929 | TEST(Matcher, IgnoresElidableInReturn) { |
| 1930 | auto matcher = expr(ignoringElidableConstructorCall(declRefExpr())); |
| 1931 | EXPECT_TRUE(matches("struct H {};" |
| 1932 | "H f() {" |
| 1933 | " H g;" |
| 1934 | " return g;" |
| 1935 | "}" , |
| 1936 | matcher, langCxx11OrLater())); |
| 1937 | EXPECT_TRUE(notMatches("struct H {};" |
| 1938 | "H f() {" |
| 1939 | " return H();" |
| 1940 | "}" , |
| 1941 | matcher, langCxx11OrLater())); |
| 1942 | } |
| 1943 | |
| 1944 | TEST(Matcher, IgnoreElidableConstructorDoesNotMatchConstructors) { |
| 1945 | EXPECT_TRUE(matches("struct H {};" |
| 1946 | "void f() {" |
| 1947 | " H D;" |
| 1948 | "}" , |
| 1949 | varDecl(hasInitializer( |
| 1950 | ignoringElidableConstructorCall(cxxConstructExpr()))), |
| 1951 | langCxx11OrLater())); |
| 1952 | } |
| 1953 | |
| 1954 | TEST(Matcher, IgnoresElidableDoesNotPreventMatches) { |
| 1955 | EXPECT_TRUE(matches("void f() {" |
| 1956 | " int D = 10;" |
| 1957 | "}" , |
| 1958 | expr(ignoringElidableConstructorCall(integerLiteral())), |
| 1959 | langCxx11OrLater())); |
| 1960 | } |
| 1961 | |
| 1962 | TEST(Matcher, IgnoresElidableInVarInit) { |
| 1963 | auto matcher = |
| 1964 | varDecl(hasInitializer(ignoringElidableConstructorCall(callExpr()))); |
| 1965 | EXPECT_TRUE(matches("struct H {};" |
| 1966 | "H G();" |
| 1967 | "void f(H D = G()) {" |
| 1968 | " return;" |
| 1969 | "}" , |
| 1970 | matcher, langCxx11OrLater())); |
| 1971 | EXPECT_TRUE(matches("struct H {};" |
| 1972 | "H G();" |
| 1973 | "void f() {" |
| 1974 | " H D = G();" |
| 1975 | "}" , |
| 1976 | matcher, langCxx11OrLater())); |
| 1977 | } |
| 1978 | |
| 1979 | TEST(IgnoringImplicit, MatchesImplicit) { |
| 1980 | EXPECT_TRUE(matches("class C {}; C a = C();" , |
| 1981 | varDecl(has(ignoringImplicit(cxxConstructExpr()))))); |
| 1982 | } |
| 1983 | |
| 1984 | TEST(IgnoringImplicit, MatchesNestedImplicit) { |
| 1985 | StringRef Code = R"( |
| 1986 | |
| 1987 | struct OtherType; |
| 1988 | |
| 1989 | struct SomeType |
| 1990 | { |
| 1991 | SomeType() {} |
| 1992 | SomeType(const OtherType&) {} |
| 1993 | SomeType& operator=(OtherType const&) { return *this; } |
| 1994 | }; |
| 1995 | |
| 1996 | struct OtherType |
| 1997 | { |
| 1998 | OtherType() {} |
| 1999 | ~OtherType() {} |
| 2000 | }; |
| 2001 | |
| 2002 | OtherType something() |
| 2003 | { |
| 2004 | return {}; |
| 2005 | } |
| 2006 | |
| 2007 | int main() |
| 2008 | { |
| 2009 | SomeType i = something(); |
| 2010 | } |
| 2011 | )" ; |
| 2012 | EXPECT_TRUE(matches( |
| 2013 | Code, |
| 2014 | traverse(TK_AsIs, |
| 2015 | varDecl(hasName("i" ), |
| 2016 | hasInitializer(exprWithCleanups(has(cxxConstructExpr( |
| 2017 | has(expr(ignoringImplicit(cxxConstructExpr(has( |
| 2018 | expr(ignoringImplicit(callExpr()))))))))))))))); |
| 2019 | } |
| 2020 | |
| 2021 | TEST(IgnoringImplicit, DoesNotMatchIncorrectly) { |
| 2022 | EXPECT_TRUE(notMatches("class C {}; C a = C();" , |
| 2023 | traverse(TK_AsIs, varDecl(has(cxxConstructExpr()))))); |
| 2024 | } |
| 2025 | |
| 2026 | TEST(Traversal, traverseMatcher) { |
| 2027 | |
| 2028 | StringRef VarDeclCode = R"cpp( |
| 2029 | void foo() |
| 2030 | { |
| 2031 | int i = 3.0; |
| 2032 | } |
| 2033 | )cpp" ; |
| 2034 | |
| 2035 | auto Matcher = varDecl(hasInitializer(floatLiteral())); |
| 2036 | |
| 2037 | EXPECT_TRUE(notMatches(VarDeclCode, traverse(TK_AsIs, Matcher))); |
| 2038 | EXPECT_TRUE( |
| 2039 | matches(VarDeclCode, traverse(TK_IgnoreUnlessSpelledInSource, Matcher))); |
| 2040 | |
| 2041 | auto ParentMatcher = floatLiteral(hasParent(varDecl(hasName("i" )))); |
| 2042 | |
| 2043 | EXPECT_TRUE(notMatches(VarDeclCode, traverse(TK_AsIs, ParentMatcher))); |
| 2044 | EXPECT_TRUE(matches(VarDeclCode, |
| 2045 | traverse(TK_IgnoreUnlessSpelledInSource, ParentMatcher))); |
| 2046 | |
| 2047 | EXPECT_TRUE(matches( |
| 2048 | VarDeclCode, decl(traverse(TK_AsIs, anyOf(cxxRecordDecl(), varDecl()))))); |
| 2049 | |
| 2050 | EXPECT_TRUE( |
| 2051 | matches(VarDeclCode, |
| 2052 | floatLiteral(traverse(TK_AsIs, hasParent(implicitCastExpr()))))); |
| 2053 | |
| 2054 | EXPECT_TRUE( |
| 2055 | matches(VarDeclCode, floatLiteral(traverse(TK_IgnoreUnlessSpelledInSource, |
| 2056 | hasParent(varDecl()))))); |
| 2057 | |
| 2058 | EXPECT_TRUE( |
| 2059 | matches(VarDeclCode, varDecl(traverse(TK_IgnoreUnlessSpelledInSource, |
| 2060 | unless(parmVarDecl()))))); |
| 2061 | |
| 2062 | EXPECT_TRUE( |
| 2063 | notMatches(VarDeclCode, varDecl(traverse(TK_IgnoreUnlessSpelledInSource, |
| 2064 | has(implicitCastExpr()))))); |
| 2065 | |
| 2066 | EXPECT_TRUE(matches(VarDeclCode, |
| 2067 | varDecl(traverse(TK_AsIs, has(implicitCastExpr()))))); |
| 2068 | |
| 2069 | EXPECT_TRUE(matches( |
| 2070 | VarDeclCode, traverse(TK_IgnoreUnlessSpelledInSource, |
| 2071 | // The has() below strips away the ImplicitCastExpr |
| 2072 | // before the traverse(AsIs) gets to process it. |
| 2073 | varDecl(has(traverse(TK_AsIs, floatLiteral())))))); |
| 2074 | |
| 2075 | EXPECT_TRUE( |
| 2076 | matches(VarDeclCode, functionDecl(traverse(TK_AsIs, hasName("foo" ))))); |
| 2077 | |
| 2078 | EXPECT_TRUE(matches( |
| 2079 | VarDeclCode, |
| 2080 | functionDecl(traverse(TK_IgnoreUnlessSpelledInSource, hasName("foo" ))))); |
| 2081 | |
| 2082 | EXPECT_TRUE(matches( |
| 2083 | VarDeclCode, functionDecl(traverse(TK_AsIs, hasAnyName("foo" , "bar" ))))); |
| 2084 | |
| 2085 | EXPECT_TRUE( |
| 2086 | matches(VarDeclCode, functionDecl(traverse(TK_IgnoreUnlessSpelledInSource, |
| 2087 | hasAnyName("foo" , "bar" ))))); |
| 2088 | |
| 2089 | StringRef Code = R"cpp( |
| 2090 | void foo(int a) |
| 2091 | { |
| 2092 | int i = 3.0 + a; |
| 2093 | } |
| 2094 | void bar() |
| 2095 | { |
| 2096 | foo(7.0); |
| 2097 | } |
| 2098 | )cpp" ; |
| 2099 | EXPECT_TRUE( |
| 2100 | matches(Code, callExpr(traverse(TK_IgnoreUnlessSpelledInSource, |
| 2101 | hasArgument(0, floatLiteral()))))); |
| 2102 | |
| 2103 | EXPECT_TRUE( |
| 2104 | matches(Code, callExpr(traverse(TK_IgnoreUnlessSpelledInSource, |
| 2105 | hasAnyArgument(floatLiteral()))))); |
| 2106 | |
| 2107 | EXPECT_TRUE(matches( |
| 2108 | R"cpp( |
| 2109 | void takesBool(bool){} |
| 2110 | |
| 2111 | template <typename T> |
| 2112 | void neverInstantiatedTemplate() { |
| 2113 | takesBool(T{}); |
| 2114 | } |
| 2115 | )cpp" , |
| 2116 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 2117 | callExpr(unless(callExpr(hasDeclaration(functionDecl()))))))); |
| 2118 | |
| 2119 | EXPECT_TRUE( |
| 2120 | matches(VarDeclCode, varDecl(traverse(TK_IgnoreUnlessSpelledInSource, |
| 2121 | hasType(builtinType()))))); |
| 2122 | |
| 2123 | EXPECT_TRUE( |
| 2124 | matches(VarDeclCode, |
| 2125 | functionDecl(hasName("foo" ), |
| 2126 | traverse(TK_AsIs, hasDescendant(floatLiteral()))))); |
| 2127 | |
| 2128 | EXPECT_TRUE(notMatches( |
| 2129 | Code, traverse(TK_AsIs, floatLiteral(hasParent(callExpr( |
| 2130 | callee(functionDecl(hasName("foo" ))))))))); |
| 2131 | EXPECT_TRUE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, |
| 2132 | floatLiteral(hasParent(callExpr(callee( |
| 2133 | functionDecl(hasName("foo" ))))))))); |
| 2134 | |
| 2135 | Code = R"cpp( |
| 2136 | void foo() |
| 2137 | { |
| 2138 | int i = (3); |
| 2139 | } |
| 2140 | )cpp" ; |
| 2141 | EXPECT_TRUE(matches( |
| 2142 | Code, traverse(TK_IgnoreUnlessSpelledInSource, |
| 2143 | varDecl(hasInitializer(integerLiteral(equals(3))))))); |
| 2144 | EXPECT_TRUE(matches( |
| 2145 | Code, |
| 2146 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 2147 | integerLiteral(equals(3), hasParent(varDecl(hasName("i" ))))))); |
| 2148 | |
| 2149 | Code = R"cpp( |
| 2150 | const char *SomeString{"str"}; |
| 2151 | )cpp" ; |
| 2152 | EXPECT_TRUE( |
| 2153 | matches(Code, traverse(TK_AsIs, stringLiteral(hasParent(implicitCastExpr( |
| 2154 | hasParent(initListExpr()))))))); |
| 2155 | EXPECT_TRUE( |
| 2156 | matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, |
| 2157 | stringLiteral(hasParent(initListExpr()))))); |
| 2158 | |
| 2159 | Code = R"cpp( |
| 2160 | struct String |
| 2161 | { |
| 2162 | String(const char*, int = -1) {} |
| 2163 | }; |
| 2164 | |
| 2165 | void stringConstruct() |
| 2166 | { |
| 2167 | String s = "foo"; |
| 2168 | s = "bar"; |
| 2169 | } |
| 2170 | )cpp" ; |
| 2171 | EXPECT_TRUE(matches( |
| 2172 | Code, |
| 2173 | traverse( |
| 2174 | TK_AsIs, |
| 2175 | functionDecl( |
| 2176 | hasName("stringConstruct" ), |
| 2177 | hasDescendant(varDecl( |
| 2178 | hasName("s" ), |
| 2179 | hasInitializer(ignoringImplicit(cxxConstructExpr(hasArgument( |
| 2180 | 0, ignoringImplicit(cxxConstructExpr(hasArgument( |
| 2181 | 0, ignoringImplicit(stringLiteral())))))))))))))); |
| 2182 | |
| 2183 | EXPECT_TRUE(matches( |
| 2184 | Code, |
| 2185 | traverse( |
| 2186 | TK_AsIs, |
| 2187 | functionDecl(hasName("stringConstruct" ), |
| 2188 | hasDescendant(cxxOperatorCallExpr( |
| 2189 | isAssignmentOperator(), |
| 2190 | hasArgument(1, ignoringImplicit( |
| 2191 | cxxConstructExpr(hasArgument( |
| 2192 | 0, ignoringImplicit(stringLiteral()))))) |
| 2193 | )))))); |
| 2194 | |
| 2195 | EXPECT_TRUE(matches( |
| 2196 | Code, traverse(TK_IgnoreUnlessSpelledInSource, |
| 2197 | functionDecl(hasName("stringConstruct" ), |
| 2198 | hasDescendant(varDecl( |
| 2199 | hasName("s" ), |
| 2200 | hasInitializer(stringLiteral()))))))); |
| 2201 | |
| 2202 | EXPECT_TRUE( |
| 2203 | matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, |
| 2204 | functionDecl(hasName("stringConstruct" ), |
| 2205 | hasDescendant(cxxOperatorCallExpr( |
| 2206 | isAssignmentOperator(), |
| 2207 | hasArgument(1, stringLiteral()))))))); |
| 2208 | |
| 2209 | Code = R"cpp( |
| 2210 | |
| 2211 | struct C1 {}; |
| 2212 | struct C2 { operator C1(); }; |
| 2213 | |
| 2214 | void conversionOperator() |
| 2215 | { |
| 2216 | C2* c2; |
| 2217 | C1 c1 = (*c2); |
| 2218 | } |
| 2219 | |
| 2220 | )cpp" ; |
| 2221 | EXPECT_TRUE(matches( |
| 2222 | Code, |
| 2223 | traverse( |
| 2224 | TK_AsIs, |
| 2225 | functionDecl( |
| 2226 | hasName("conversionOperator" ), |
| 2227 | hasDescendant( |
| 2228 | varDecl( |
| 2229 | hasName("c1" ), |
| 2230 | hasInitializer( |
| 2231 | ignoringImplicit(cxxConstructExpr(hasArgument( |
| 2232 | 0, ignoringImplicit( |
| 2233 | cxxMemberCallExpr(onImplicitObjectArgument( |
| 2234 | ignoringParenImpCasts(unaryOperator( |
| 2235 | hasOperatorName("*" ))))))))))) |
| 2236 | .bind("c1" )))))); |
| 2237 | |
| 2238 | EXPECT_TRUE(matches( |
| 2239 | Code, |
| 2240 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 2241 | functionDecl(hasName("conversionOperator" ), |
| 2242 | hasDescendant(varDecl( |
| 2243 | hasName("c1" ), hasInitializer(unaryOperator( |
| 2244 | hasOperatorName("*" ))))))))); |
| 2245 | |
| 2246 | Code = R"cpp( |
| 2247 | |
| 2248 | template <unsigned alignment> |
| 2249 | void template_test() { |
| 2250 | static_assert(alignment, ""); |
| 2251 | } |
| 2252 | void actual_template_test() { |
| 2253 | template_test<4>(); |
| 2254 | } |
| 2255 | |
| 2256 | )cpp" ; |
| 2257 | EXPECT_TRUE(matches( |
| 2258 | Code, |
| 2259 | traverse(TK_AsIs, |
| 2260 | staticAssertDecl(has(implicitCastExpr(has( |
| 2261 | substNonTypeTemplateParmExpr(has(integerLiteral()))))))))); |
| 2262 | EXPECT_TRUE(matches( |
| 2263 | Code, traverse(TK_IgnoreUnlessSpelledInSource, |
| 2264 | staticAssertDecl(has(declRefExpr( |
| 2265 | to(nonTypeTemplateParmDecl(hasName("alignment" ))), |
| 2266 | hasType(asString("unsigned int" )))))))); |
| 2267 | |
| 2268 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, staticAssertDecl(hasDescendant( |
| 2269 | integerLiteral()))))); |
| 2270 | EXPECT_FALSE(matches( |
| 2271 | Code, traverse(TK_IgnoreUnlessSpelledInSource, |
| 2272 | staticAssertDecl(hasDescendant(integerLiteral()))))); |
| 2273 | |
| 2274 | Code = R"cpp( |
| 2275 | |
| 2276 | struct OneParamCtor { |
| 2277 | explicit OneParamCtor(int); |
| 2278 | }; |
| 2279 | struct TwoParamCtor { |
| 2280 | explicit TwoParamCtor(int, int); |
| 2281 | }; |
| 2282 | |
| 2283 | void varDeclCtors() { |
| 2284 | { |
| 2285 | auto var1 = OneParamCtor(5); |
| 2286 | auto var2 = TwoParamCtor(6, 7); |
| 2287 | } |
| 2288 | { |
| 2289 | OneParamCtor var3(5); |
| 2290 | TwoParamCtor var4(6, 7); |
| 2291 | } |
| 2292 | int i = 0; |
| 2293 | { |
| 2294 | auto var5 = OneParamCtor(i); |
| 2295 | auto var6 = TwoParamCtor(i, 7); |
| 2296 | } |
| 2297 | { |
| 2298 | OneParamCtor var7(i); |
| 2299 | TwoParamCtor var8(i, 7); |
| 2300 | } |
| 2301 | } |
| 2302 | |
| 2303 | )cpp" ; |
| 2304 | EXPECT_TRUE(matches( |
| 2305 | Code, |
| 2306 | traverse(TK_AsIs, varDecl(hasName("var1" ), hasInitializer(hasDescendant( |
| 2307 | cxxConstructExpr())))))); |
| 2308 | EXPECT_TRUE(matches( |
| 2309 | Code, |
| 2310 | traverse(TK_AsIs, varDecl(hasName("var2" ), hasInitializer(hasDescendant( |
| 2311 | cxxConstructExpr())))))); |
| 2312 | EXPECT_TRUE(matches( |
| 2313 | Code, traverse(TK_AsIs, varDecl(hasName("var3" ), |
| 2314 | hasInitializer(cxxConstructExpr()))))); |
| 2315 | EXPECT_TRUE(matches( |
| 2316 | Code, traverse(TK_AsIs, varDecl(hasName("var4" ), |
| 2317 | hasInitializer(cxxConstructExpr()))))); |
| 2318 | EXPECT_TRUE(matches( |
| 2319 | Code, |
| 2320 | traverse(TK_AsIs, varDecl(hasName("var5" ), hasInitializer(hasDescendant( |
| 2321 | cxxConstructExpr())))))); |
| 2322 | EXPECT_TRUE(matches( |
| 2323 | Code, |
| 2324 | traverse(TK_AsIs, varDecl(hasName("var6" ), hasInitializer(hasDescendant( |
| 2325 | cxxConstructExpr())))))); |
| 2326 | EXPECT_TRUE(matches( |
| 2327 | Code, traverse(TK_AsIs, varDecl(hasName("var7" ), |
| 2328 | hasInitializer(cxxConstructExpr()))))); |
| 2329 | EXPECT_TRUE(matches( |
| 2330 | Code, traverse(TK_AsIs, varDecl(hasName("var8" ), |
| 2331 | hasInitializer(cxxConstructExpr()))))); |
| 2332 | |
| 2333 | EXPECT_TRUE(matches( |
| 2334 | Code, |
| 2335 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 2336 | varDecl(hasName("var1" ), hasInitializer(cxxConstructExpr()))))); |
| 2337 | EXPECT_TRUE(matches( |
| 2338 | Code, |
| 2339 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 2340 | varDecl(hasName("var2" ), hasInitializer(cxxConstructExpr()))))); |
| 2341 | EXPECT_TRUE(matches( |
| 2342 | Code, |
| 2343 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 2344 | varDecl(hasName("var3" ), hasInitializer(cxxConstructExpr()))))); |
| 2345 | EXPECT_TRUE(matches( |
| 2346 | Code, |
| 2347 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 2348 | varDecl(hasName("var4" ), hasInitializer(cxxConstructExpr()))))); |
| 2349 | EXPECT_TRUE(matches( |
| 2350 | Code, |
| 2351 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 2352 | varDecl(hasName("var5" ), hasInitializer(cxxConstructExpr()))))); |
| 2353 | EXPECT_TRUE(matches( |
| 2354 | Code, |
| 2355 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 2356 | varDecl(hasName("var6" ), hasInitializer(cxxConstructExpr()))))); |
| 2357 | EXPECT_TRUE(matches( |
| 2358 | Code, |
| 2359 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 2360 | varDecl(hasName("var7" ), hasInitializer(cxxConstructExpr()))))); |
| 2361 | EXPECT_TRUE(matches( |
| 2362 | Code, |
| 2363 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 2364 | varDecl(hasName("var8" ), hasInitializer(cxxConstructExpr()))))); |
| 2365 | |
| 2366 | Code = R"cpp( |
| 2367 | |
| 2368 | template<typename T> |
| 2369 | struct TemplStruct { |
| 2370 | TemplStruct() {} |
| 2371 | ~TemplStruct() {} |
| 2372 | |
| 2373 | void outOfLine(T); |
| 2374 | |
| 2375 | private: |
| 2376 | T m_t; |
| 2377 | }; |
| 2378 | |
| 2379 | template<typename T> |
| 2380 | void TemplStruct<T>::outOfLine(T) |
| 2381 | { |
| 2382 | |
| 2383 | } |
| 2384 | |
| 2385 | template<typename T> |
| 2386 | T timesTwo(T input) |
| 2387 | { |
| 2388 | return input * 2; |
| 2389 | } |
| 2390 | |
| 2391 | void instantiate() |
| 2392 | { |
| 2393 | TemplStruct<int> ti; |
| 2394 | TemplStruct<double> td; |
| 2395 | (void)timesTwo<int>(2); |
| 2396 | (void)timesTwo<double>(2); |
| 2397 | } |
| 2398 | |
| 2399 | template class TemplStruct<float>; |
| 2400 | |
| 2401 | extern template class TemplStruct<long>; |
| 2402 | |
| 2403 | template<> class TemplStruct<bool> { |
| 2404 | TemplStruct() {} |
| 2405 | ~TemplStruct() {} |
| 2406 | |
| 2407 | void boolSpecializationMethodOnly() {} |
| 2408 | private: |
| 2409 | bool m_t; |
| 2410 | }; |
| 2411 | |
| 2412 | template float timesTwo(float); |
| 2413 | template<> bool timesTwo<bool>(bool){ |
| 2414 | return true; |
| 2415 | } |
| 2416 | )cpp" ; |
| 2417 | { |
| 2418 | auto M = cxxRecordDecl(hasName("TemplStruct" ), |
| 2419 | has(fieldDecl(hasType(asString("int" ))))); |
| 2420 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2421 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2422 | } |
| 2423 | { |
| 2424 | auto M = cxxRecordDecl(hasName("TemplStruct" ), |
| 2425 | has(fieldDecl(hasType(asString("double" ))))); |
| 2426 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2427 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2428 | } |
| 2429 | { |
| 2430 | auto M = |
| 2431 | functionDecl(hasName("timesTwo" ), |
| 2432 | hasParameter(0, parmVarDecl(hasType(asString("int" ))))); |
| 2433 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2434 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2435 | } |
| 2436 | { |
| 2437 | auto M = |
| 2438 | functionDecl(hasName("timesTwo" ), |
| 2439 | hasParameter(0, parmVarDecl(hasType(asString("double" ))))); |
| 2440 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2441 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2442 | } |
| 2443 | { |
| 2444 | // Match on the integer literal in the explicit instantiation: |
| 2445 | auto MDef = |
| 2446 | functionDecl(hasName("timesTwo" ), |
| 2447 | hasParameter(0, parmVarDecl(hasType(asString("float" )))), |
| 2448 | hasDescendant(integerLiteral(equals(2)))); |
| 2449 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, MDef))); |
| 2450 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, MDef))); |
| 2451 | |
| 2452 | auto MTempl = |
| 2453 | functionDecl(hasName("timesTwo" ), |
| 2454 | hasTemplateArgument(0, refersToType(asString("float" )))); |
| 2455 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, MTempl))); |
| 2456 | // TODO: If we could match on explicit instantiations of function templates, |
| 2457 | // this would be EXPECT_TRUE. See Sema::ActOnExplicitInstantiation. |
| 2458 | EXPECT_FALSE( |
| 2459 | matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, MTempl))); |
| 2460 | } |
| 2461 | { |
| 2462 | auto M = functionDecl(hasName("timesTwo" ), |
| 2463 | hasParameter(0, parmVarDecl(hasType(booleanType())))); |
| 2464 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2465 | EXPECT_TRUE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2466 | } |
| 2467 | { |
| 2468 | // Match on the field within the explicit instantiation: |
| 2469 | auto MRecord = cxxRecordDecl(hasName("TemplStruct" ), |
| 2470 | has(fieldDecl(hasType(asString("float" ))))); |
| 2471 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, MRecord))); |
| 2472 | EXPECT_FALSE( |
| 2473 | matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, MRecord))); |
| 2474 | |
| 2475 | // Match on the explicit template instantiation itself: |
| 2476 | auto MTempl = classTemplateSpecializationDecl( |
| 2477 | hasName("TemplStruct" ), |
| 2478 | hasTemplateArgument(0, |
| 2479 | templateArgument(refersToType(asString("float" ))))); |
| 2480 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, MTempl))); |
| 2481 | EXPECT_TRUE( |
| 2482 | matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, MTempl))); |
| 2483 | } |
| 2484 | { |
| 2485 | // The template argument is matchable, but the instantiation is not: |
| 2486 | auto M = classTemplateSpecializationDecl( |
| 2487 | hasName("TemplStruct" ), |
| 2488 | hasTemplateArgument(0, |
| 2489 | templateArgument(refersToType(asString("float" )))), |
| 2490 | has(cxxConstructorDecl(hasName("TemplStruct" )))); |
| 2491 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2492 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2493 | } |
| 2494 | { |
| 2495 | // The template argument is matchable, but the instantiation is not: |
| 2496 | auto M = classTemplateSpecializationDecl( |
| 2497 | hasName("TemplStruct" ), |
| 2498 | hasTemplateArgument(0, |
| 2499 | templateArgument(refersToType(asString("long" )))), |
| 2500 | has(cxxConstructorDecl(hasName("TemplStruct" )))); |
| 2501 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2502 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2503 | } |
| 2504 | { |
| 2505 | // Instantiated, out-of-line methods are not matchable. |
| 2506 | auto M = |
| 2507 | cxxMethodDecl(hasName("outOfLine" ), isDefinition(), |
| 2508 | hasParameter(0, parmVarDecl(hasType(asString("float" ))))); |
| 2509 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2510 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2511 | } |
| 2512 | { |
| 2513 | // Explicit specialization is written in source and it matches: |
| 2514 | auto M = classTemplateSpecializationDecl( |
| 2515 | hasName("TemplStruct" ), |
| 2516 | hasTemplateArgument(0, templateArgument(refersToType(booleanType()))), |
| 2517 | has(cxxConstructorDecl(hasName("TemplStruct" ))), |
| 2518 | has(cxxMethodDecl(hasName("boolSpecializationMethodOnly" )))); |
| 2519 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2520 | EXPECT_TRUE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2521 | } |
| 2522 | |
| 2523 | Code = R"cpp( |
| 2524 | struct B { |
| 2525 | B(int); |
| 2526 | }; |
| 2527 | |
| 2528 | B func1() { return 42; } |
| 2529 | )cpp" ; |
| 2530 | { |
| 2531 | auto M = expr(ignoringImplicit(integerLiteral(equals(42)).bind("intLit" ))); |
| 2532 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 2533 | Code, traverse(TK_AsIs, M), |
| 2534 | std::make_unique<VerifyIdIsBoundTo<Expr>>("intLit" , 1))); |
| 2535 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 2536 | Code, traverse(TK_IgnoreUnlessSpelledInSource, M), |
| 2537 | std::make_unique<VerifyIdIsBoundTo<Expr>>("intLit" , 1))); |
| 2538 | } |
| 2539 | { |
| 2540 | auto M = expr(unless(integerLiteral(equals(24)))).bind("intLit" ); |
| 2541 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 2542 | Code, traverse(TK_AsIs, M), |
| 2543 | std::make_unique<VerifyIdIsBoundTo<Expr>>("intLit" , 7))); |
| 2544 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 2545 | Code, traverse(TK_IgnoreUnlessSpelledInSource, M), |
| 2546 | std::make_unique<VerifyIdIsBoundTo<Expr>>("intLit" , 1))); |
| 2547 | } |
| 2548 | { |
| 2549 | auto M = |
| 2550 | expr(anyOf(integerLiteral(equals(42)).bind("intLit" ), unless(expr()))); |
| 2551 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 2552 | Code, traverse(TK_AsIs, M), |
| 2553 | std::make_unique<VerifyIdIsBoundTo<Expr>>("intLit" , 1))); |
| 2554 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 2555 | Code, traverse(TK_IgnoreUnlessSpelledInSource, M), |
| 2556 | std::make_unique<VerifyIdIsBoundTo<Expr>>("intLit" , 1))); |
| 2557 | } |
| 2558 | { |
| 2559 | auto M = expr(allOf(integerLiteral(equals(42)).bind("intLit" ), expr())); |
| 2560 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 2561 | Code, traverse(TK_AsIs, M), |
| 2562 | std::make_unique<VerifyIdIsBoundTo<Expr>>("intLit" , 1))); |
| 2563 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 2564 | Code, traverse(TK_IgnoreUnlessSpelledInSource, M), |
| 2565 | std::make_unique<VerifyIdIsBoundTo<Expr>>("intLit" , 1))); |
| 2566 | } |
| 2567 | { |
| 2568 | auto M = expr(integerLiteral(equals(42)).bind("intLit" ), expr()); |
| 2569 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 2570 | Code, traverse(TK_AsIs, M), |
| 2571 | std::make_unique<VerifyIdIsBoundTo<Expr>>("intLit" , 1))); |
| 2572 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 2573 | Code, traverse(TK_IgnoreUnlessSpelledInSource, M), |
| 2574 | std::make_unique<VerifyIdIsBoundTo<Expr>>("intLit" , 1))); |
| 2575 | } |
| 2576 | { |
| 2577 | auto M = expr(optionally(integerLiteral(equals(42)).bind("intLit" ))); |
| 2578 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 2579 | Code, traverse(TK_AsIs, M), |
| 2580 | std::make_unique<VerifyIdIsBoundTo<Expr>>("intLit" , 1))); |
| 2581 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 2582 | Code, traverse(TK_IgnoreUnlessSpelledInSource, M), |
| 2583 | std::make_unique<VerifyIdIsBoundTo<Expr>>("intLit" , 1))); |
| 2584 | } |
| 2585 | { |
| 2586 | auto M = expr().bind("allExprs" ); |
| 2587 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 2588 | Code, traverse(TK_AsIs, M), |
| 2589 | std::make_unique<VerifyIdIsBoundTo<Expr>>("allExprs" , 7))); |
| 2590 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 2591 | Code, traverse(TK_IgnoreUnlessSpelledInSource, M), |
| 2592 | std::make_unique<VerifyIdIsBoundTo<Expr>>("allExprs" , 1))); |
| 2593 | } |
| 2594 | } |
| 2595 | |
| 2596 | TEST(Traversal, traverseNoImplicit) { |
| 2597 | StringRef Code = R"cpp( |
| 2598 | struct NonTrivial { |
| 2599 | NonTrivial() {} |
| 2600 | NonTrivial(const NonTrivial&) {} |
| 2601 | NonTrivial& operator=(const NonTrivial&) { return *this; } |
| 2602 | |
| 2603 | ~NonTrivial() {} |
| 2604 | }; |
| 2605 | |
| 2606 | struct NoSpecialMethods { |
| 2607 | NonTrivial nt; |
| 2608 | }; |
| 2609 | |
| 2610 | struct ContainsArray { |
| 2611 | NonTrivial arr[2]; |
| 2612 | ContainsArray& operator=(const ContainsArray &other) = default; |
| 2613 | }; |
| 2614 | |
| 2615 | void copyIt() |
| 2616 | { |
| 2617 | NoSpecialMethods nc1; |
| 2618 | NoSpecialMethods nc2(nc1); |
| 2619 | nc2 = nc1; |
| 2620 | |
| 2621 | ContainsArray ca; |
| 2622 | ContainsArray ca2; |
| 2623 | ca2 = ca; |
| 2624 | } |
| 2625 | |
| 2626 | struct HasCtorInits : NoSpecialMethods, NonTrivial |
| 2627 | { |
| 2628 | int m_i; |
| 2629 | NonTrivial m_nt; |
| 2630 | HasCtorInits() : NoSpecialMethods(), m_i(42) {} |
| 2631 | }; |
| 2632 | |
| 2633 | struct CtorInitsNonTrivial : NonTrivial |
| 2634 | { |
| 2635 | int m_i; |
| 2636 | NonTrivial m_nt; |
| 2637 | CtorInitsNonTrivial() : NonTrivial(), m_i(42) {} |
| 2638 | }; |
| 2639 | |
| 2640 | )cpp" ; |
| 2641 | { |
| 2642 | auto M = cxxRecordDecl(hasName("NoSpecialMethods" ), |
| 2643 | has(cxxRecordDecl(hasName("NoSpecialMethods" )))); |
| 2644 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2645 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2646 | |
| 2647 | M = cxxRecordDecl(hasName("NoSpecialMethods" ), |
| 2648 | has(cxxConstructorDecl(isCopyConstructor()))); |
| 2649 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2650 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2651 | |
| 2652 | M = cxxRecordDecl(hasName("NoSpecialMethods" ), |
| 2653 | has(cxxMethodDecl(isCopyAssignmentOperator()))); |
| 2654 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2655 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2656 | |
| 2657 | M = cxxRecordDecl(hasName("NoSpecialMethods" ), |
| 2658 | has(cxxConstructorDecl(isDefaultConstructor()))); |
| 2659 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2660 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2661 | |
| 2662 | M = cxxRecordDecl(hasName("NoSpecialMethods" ), has(cxxDestructorDecl())); |
| 2663 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2664 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2665 | |
| 2666 | M = cxxRecordDecl(hasName("NoSpecialMethods" ), |
| 2667 | hasMethod(cxxConstructorDecl(isCopyConstructor()))); |
| 2668 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2669 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2670 | |
| 2671 | M = cxxRecordDecl(hasName("NoSpecialMethods" ), |
| 2672 | hasMethod(cxxMethodDecl(isCopyAssignmentOperator()))); |
| 2673 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2674 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2675 | |
| 2676 | M = cxxRecordDecl(hasName("NoSpecialMethods" ), |
| 2677 | hasMethod(cxxConstructorDecl(isDefaultConstructor()))); |
| 2678 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2679 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2680 | |
| 2681 | M = cxxRecordDecl(hasName("NoSpecialMethods" ), |
| 2682 | hasMethod(cxxDestructorDecl())); |
| 2683 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2684 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2685 | } |
| 2686 | { |
| 2687 | // Because the copy-assignment operator is not spelled in the |
| 2688 | // source (ie, isImplicit()), we don't match it |
| 2689 | auto M = |
| 2690 | cxxOperatorCallExpr(hasType(cxxRecordDecl(hasName("NoSpecialMethods" ))), |
| 2691 | callee(cxxMethodDecl(isCopyAssignmentOperator()))); |
| 2692 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2693 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2694 | } |
| 2695 | { |
| 2696 | // Compiler generates a forStmt to copy the array |
| 2697 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, forStmt()))); |
| 2698 | EXPECT_FALSE( |
| 2699 | matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, forStmt()))); |
| 2700 | } |
| 2701 | { |
| 2702 | // The defaulted method declaration can be matched, but not its |
| 2703 | // definition, in IgnoreUnlessSpelledInSource mode |
| 2704 | auto MDecl = cxxMethodDecl(ofClass(cxxRecordDecl(hasName("ContainsArray" ))), |
| 2705 | isCopyAssignmentOperator(), isDefaulted()); |
| 2706 | |
| 2707 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, MDecl))); |
| 2708 | EXPECT_TRUE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, MDecl))); |
| 2709 | |
| 2710 | auto MDef = cxxMethodDecl(MDecl, has(compoundStmt())); |
| 2711 | |
| 2712 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, MDef))); |
| 2713 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, MDef))); |
| 2714 | |
| 2715 | auto MBody = cxxMethodDecl(MDecl, hasBody(compoundStmt())); |
| 2716 | |
| 2717 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, MBody))); |
| 2718 | EXPECT_FALSE( |
| 2719 | matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, MBody))); |
| 2720 | |
| 2721 | auto MIsDefn = cxxMethodDecl(MDecl, isDefinition()); |
| 2722 | |
| 2723 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, MIsDefn))); |
| 2724 | EXPECT_TRUE( |
| 2725 | matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, MIsDefn))); |
| 2726 | |
| 2727 | auto MIsInline = cxxMethodDecl(MDecl, isInline()); |
| 2728 | |
| 2729 | EXPECT_FALSE(matches(Code, traverse(TK_AsIs, MIsInline))); |
| 2730 | EXPECT_FALSE( |
| 2731 | matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, MIsInline))); |
| 2732 | |
| 2733 | // The parameter of the defaulted method can still be matched. |
| 2734 | auto MParm = |
| 2735 | cxxMethodDecl(MDecl, hasParameter(0, parmVarDecl(hasName("other" )))); |
| 2736 | |
| 2737 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, MParm))); |
| 2738 | EXPECT_TRUE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, MParm))); |
| 2739 | } |
| 2740 | { |
| 2741 | auto M = |
| 2742 | cxxConstructorDecl(hasName("HasCtorInits" ), |
| 2743 | has(cxxCtorInitializer(forField(hasName("m_i" ))))); |
| 2744 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2745 | EXPECT_TRUE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2746 | } |
| 2747 | { |
| 2748 | auto M = |
| 2749 | cxxConstructorDecl(hasName("HasCtorInits" ), |
| 2750 | has(cxxCtorInitializer(forField(hasName("m_nt" ))))); |
| 2751 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2752 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2753 | } |
| 2754 | { |
| 2755 | auto M = cxxConstructorDecl(hasName("HasCtorInits" ), |
| 2756 | hasAnyConstructorInitializer(cxxCtorInitializer( |
| 2757 | forField(hasName("m_nt" ))))); |
| 2758 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2759 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2760 | } |
| 2761 | { |
| 2762 | auto M = |
| 2763 | cxxConstructorDecl(hasName("HasCtorInits" ), |
| 2764 | forEachConstructorInitializer( |
| 2765 | cxxCtorInitializer(forField(hasName("m_nt" ))))); |
| 2766 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2767 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2768 | } |
| 2769 | { |
| 2770 | auto M = cxxConstructorDecl( |
| 2771 | hasName("CtorInitsNonTrivial" ), |
| 2772 | has(cxxCtorInitializer(withInitializer(cxxConstructExpr( |
| 2773 | hasDeclaration(cxxConstructorDecl(hasName("NonTrivial" )))))))); |
| 2774 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2775 | EXPECT_TRUE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2776 | } |
| 2777 | { |
| 2778 | auto M = cxxConstructorDecl( |
| 2779 | hasName("HasCtorInits" ), |
| 2780 | has(cxxCtorInitializer(withInitializer(cxxConstructExpr(hasDeclaration( |
| 2781 | cxxConstructorDecl(hasName("NoSpecialMethods" )))))))); |
| 2782 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2783 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2784 | } |
| 2785 | { |
| 2786 | auto M = cxxCtorInitializer(forField(hasName("m_nt" ))); |
| 2787 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2788 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2789 | } |
| 2790 | |
| 2791 | Code = R"cpp( |
| 2792 | void rangeFor() |
| 2793 | { |
| 2794 | int arr[2]; |
| 2795 | for (auto i : arr) |
| 2796 | { |
| 2797 | if (true) |
| 2798 | { |
| 2799 | } |
| 2800 | } |
| 2801 | } |
| 2802 | )cpp" ; |
| 2803 | { |
| 2804 | auto M = cxxForRangeStmt(has(binaryOperator(hasOperatorName("!=" )))); |
| 2805 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2806 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2807 | } |
| 2808 | { |
| 2809 | auto M = |
| 2810 | cxxForRangeStmt(hasDescendant(binaryOperator(hasOperatorName("+" )))); |
| 2811 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2812 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2813 | } |
| 2814 | { |
| 2815 | auto M = |
| 2816 | cxxForRangeStmt(hasDescendant(unaryOperator(hasOperatorName("++" )))); |
| 2817 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2818 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2819 | } |
| 2820 | { |
| 2821 | auto M = cxxForRangeStmt(has(declStmt())); |
| 2822 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2823 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2824 | } |
| 2825 | { |
| 2826 | auto M = |
| 2827 | cxxForRangeStmt(hasLoopVariable(varDecl(hasName("i" ))), |
| 2828 | hasRangeInit(declRefExpr(to(varDecl(hasName("arr" )))))); |
| 2829 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2830 | EXPECT_TRUE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2831 | } |
| 2832 | { |
| 2833 | auto M = cxxForRangeStmt(unless(hasInitStatement(stmt()))); |
| 2834 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2835 | EXPECT_TRUE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2836 | } |
| 2837 | { |
| 2838 | auto M = cxxForRangeStmt(hasBody(stmt())); |
| 2839 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2840 | EXPECT_TRUE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2841 | } |
| 2842 | { |
| 2843 | auto M = cxxForRangeStmt(hasDescendant(ifStmt())); |
| 2844 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2845 | EXPECT_TRUE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2846 | } |
| 2847 | { |
| 2848 | EXPECT_TRUE(matches( |
| 2849 | Code, traverse(TK_AsIs, cxxForRangeStmt(has(declStmt( |
| 2850 | hasSingleDecl(varDecl(hasName("i" ))))))))); |
| 2851 | EXPECT_TRUE( |
| 2852 | matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, |
| 2853 | cxxForRangeStmt(has(varDecl(hasName("i" ))))))); |
| 2854 | } |
| 2855 | { |
| 2856 | EXPECT_TRUE(matches( |
| 2857 | Code, traverse(TK_AsIs, cxxForRangeStmt(has(declStmt(hasSingleDecl( |
| 2858 | varDecl(hasInitializer(declRefExpr( |
| 2859 | to(varDecl(hasName("arr" ))))))))))))); |
| 2860 | EXPECT_TRUE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, |
| 2861 | cxxForRangeStmt(has(declRefExpr( |
| 2862 | to(varDecl(hasName("arr" ))))))))); |
| 2863 | } |
| 2864 | { |
| 2865 | auto M = cxxForRangeStmt(has(compoundStmt())); |
| 2866 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2867 | EXPECT_TRUE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2868 | } |
| 2869 | { |
| 2870 | auto M = binaryOperator(hasOperatorName("!=" )); |
| 2871 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2872 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2873 | } |
| 2874 | { |
| 2875 | auto M = unaryOperator(hasOperatorName("++" )); |
| 2876 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2877 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2878 | } |
| 2879 | { |
| 2880 | auto M = declStmt(hasSingleDecl(varDecl(matchesName("__range" )))); |
| 2881 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2882 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2883 | } |
| 2884 | { |
| 2885 | auto M = declStmt(hasSingleDecl(varDecl(matchesName("__begin" )))); |
| 2886 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2887 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2888 | } |
| 2889 | { |
| 2890 | auto M = declStmt(hasSingleDecl(varDecl(matchesName("__end" )))); |
| 2891 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2892 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2893 | } |
| 2894 | |
| 2895 | Code = R"cpp( |
| 2896 | struct Range { |
| 2897 | int* begin() const; |
| 2898 | int* end() const; |
| 2899 | }; |
| 2900 | Range getRange(int); |
| 2901 | |
| 2902 | void rangeFor() |
| 2903 | { |
| 2904 | for (auto i : getRange(42)) |
| 2905 | { |
| 2906 | } |
| 2907 | } |
| 2908 | )cpp" ; |
| 2909 | { |
| 2910 | auto M = integerLiteral(equals(42)); |
| 2911 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2912 | EXPECT_TRUE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2913 | } |
| 2914 | { |
| 2915 | auto M = callExpr(hasDescendant(integerLiteral(equals(42)))); |
| 2916 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2917 | EXPECT_TRUE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2918 | } |
| 2919 | { |
| 2920 | auto M = compoundStmt(hasDescendant(integerLiteral(equals(42)))); |
| 2921 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 2922 | EXPECT_TRUE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 2923 | } |
| 2924 | |
| 2925 | Code = R"cpp( |
| 2926 | void rangeFor() |
| 2927 | { |
| 2928 | int arr[2]; |
| 2929 | for (auto& a = arr; auto i : a) |
| 2930 | { |
| 2931 | |
| 2932 | } |
| 2933 | } |
| 2934 | )cpp" ; |
| 2935 | { |
| 2936 | auto M = cxxForRangeStmt(has(binaryOperator(hasOperatorName("!=" )))); |
| 2937 | EXPECT_TRUE( |
| 2938 | matchesConditionally(Code, traverse(TK_AsIs, M), true, {"-std=c++20" })); |
| 2939 | EXPECT_FALSE( |
| 2940 | matchesConditionally(Code, traverse(TK_IgnoreUnlessSpelledInSource, M), |
| 2941 | true, {"-std=c++20" })); |
| 2942 | } |
| 2943 | { |
| 2944 | auto M = |
| 2945 | cxxForRangeStmt(hasDescendant(binaryOperator(hasOperatorName("+" )))); |
| 2946 | EXPECT_TRUE( |
| 2947 | matchesConditionally(Code, traverse(TK_AsIs, M), true, {"-std=c++20" })); |
| 2948 | EXPECT_FALSE( |
| 2949 | matchesConditionally(Code, traverse(TK_IgnoreUnlessSpelledInSource, M), |
| 2950 | true, {"-std=c++20" })); |
| 2951 | } |
| 2952 | { |
| 2953 | auto M = |
| 2954 | cxxForRangeStmt(hasDescendant(unaryOperator(hasOperatorName("++" )))); |
| 2955 | EXPECT_TRUE( |
| 2956 | matchesConditionally(Code, traverse(TK_AsIs, M), true, {"-std=c++20" })); |
| 2957 | EXPECT_FALSE( |
| 2958 | matchesConditionally(Code, traverse(TK_IgnoreUnlessSpelledInSource, M), |
| 2959 | true, {"-std=c++20" })); |
| 2960 | } |
| 2961 | { |
| 2962 | auto M = |
| 2963 | cxxForRangeStmt(has(declStmt(hasSingleDecl(varDecl(hasName("i" )))))); |
| 2964 | EXPECT_TRUE( |
| 2965 | matchesConditionally(Code, traverse(TK_AsIs, M), true, {"-std=c++20" })); |
| 2966 | EXPECT_FALSE( |
| 2967 | matchesConditionally(Code, traverse(TK_IgnoreUnlessSpelledInSource, M), |
| 2968 | true, {"-std=c++20" })); |
| 2969 | } |
| 2970 | { |
| 2971 | auto M = cxxForRangeStmt( |
| 2972 | hasInitStatement(declStmt(hasSingleDecl(varDecl( |
| 2973 | hasName("a" ), |
| 2974 | hasInitializer(declRefExpr(to(varDecl(hasName("arr" ))))))))), |
| 2975 | hasLoopVariable(varDecl(hasName("i" ))), |
| 2976 | hasRangeInit(declRefExpr(to(varDecl(hasName("a" )))))); |
| 2977 | EXPECT_TRUE( |
| 2978 | matchesConditionally(Code, traverse(TK_AsIs, M), true, {"-std=c++20" })); |
| 2979 | EXPECT_TRUE( |
| 2980 | matchesConditionally(Code, traverse(TK_IgnoreUnlessSpelledInSource, M), |
| 2981 | true, {"-std=c++20" })); |
| 2982 | } |
| 2983 | { |
| 2984 | auto M = cxxForRangeStmt( |
| 2985 | has(declStmt(hasSingleDecl(varDecl( |
| 2986 | hasName("a" ), |
| 2987 | hasInitializer(declRefExpr(to(varDecl(hasName("arr" ))))))))), |
| 2988 | hasLoopVariable(varDecl(hasName("i" ))), |
| 2989 | hasRangeInit(declRefExpr(to(varDecl(hasName("a" )))))); |
| 2990 | EXPECT_TRUE( |
| 2991 | matchesConditionally(Code, traverse(TK_AsIs, M), true, {"-std=c++20" })); |
| 2992 | EXPECT_TRUE( |
| 2993 | matchesConditionally(Code, traverse(TK_IgnoreUnlessSpelledInSource, M), |
| 2994 | true, {"-std=c++20" })); |
| 2995 | } |
| 2996 | |
| 2997 | Code = R"cpp( |
| 2998 | struct Range { |
| 2999 | int* begin() const; |
| 3000 | int* end() const; |
| 3001 | }; |
| 3002 | Range getRange(int); |
| 3003 | |
| 3004 | int getNum(int); |
| 3005 | |
| 3006 | void rangeFor() |
| 3007 | { |
| 3008 | for (auto j = getNum(42); auto i : getRange(j)) |
| 3009 | { |
| 3010 | } |
| 3011 | } |
| 3012 | )cpp" ; |
| 3013 | { |
| 3014 | auto M = integerLiteral(equals(42)); |
| 3015 | EXPECT_TRUE( |
| 3016 | matchesConditionally(Code, traverse(TK_AsIs, M), true, {"-std=c++20" })); |
| 3017 | EXPECT_TRUE( |
| 3018 | matchesConditionally(Code, traverse(TK_IgnoreUnlessSpelledInSource, M), |
| 3019 | true, {"-std=c++20" })); |
| 3020 | } |
| 3021 | { |
| 3022 | auto M = compoundStmt(hasDescendant(integerLiteral(equals(42)))); |
| 3023 | EXPECT_TRUE( |
| 3024 | matchesConditionally(Code, traverse(TK_AsIs, M), true, {"-std=c++20" })); |
| 3025 | EXPECT_TRUE( |
| 3026 | matchesConditionally(Code, traverse(TK_IgnoreUnlessSpelledInSource, M), |
| 3027 | true, {"-std=c++20" })); |
| 3028 | } |
| 3029 | |
| 3030 | Code = R"cpp( |
| 3031 | void hasDefaultArg(int i, int j = 0) |
| 3032 | { |
| 3033 | } |
| 3034 | void callDefaultArg() |
| 3035 | { |
| 3036 | hasDefaultArg(42); |
| 3037 | } |
| 3038 | )cpp" ; |
| 3039 | auto hasDefaultArgCall = [](auto InnerMatcher) { |
| 3040 | return callExpr(callee(functionDecl(hasName("hasDefaultArg" ))), |
| 3041 | InnerMatcher); |
| 3042 | }; |
| 3043 | { |
| 3044 | auto M = hasDefaultArgCall(has(integerLiteral(equals(42)))); |
| 3045 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 3046 | EXPECT_TRUE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 3047 | } |
| 3048 | { |
| 3049 | auto M = hasDefaultArgCall(has(cxxDefaultArgExpr())); |
| 3050 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 3051 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 3052 | } |
| 3053 | { |
| 3054 | auto M = hasDefaultArgCall(argumentCountIs(2)); |
| 3055 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 3056 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 3057 | } |
| 3058 | { |
| 3059 | auto M = hasDefaultArgCall(argumentCountIs(1)); |
| 3060 | EXPECT_FALSE(matches(Code, traverse(TK_AsIs, M))); |
| 3061 | EXPECT_TRUE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 3062 | } |
| 3063 | { |
| 3064 | auto M = hasDefaultArgCall(hasArgument(1, cxxDefaultArgExpr())); |
| 3065 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 3066 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 3067 | } |
| 3068 | { |
| 3069 | auto M = hasDefaultArgCall(hasAnyArgument(cxxDefaultArgExpr())); |
| 3070 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 3071 | EXPECT_FALSE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 3072 | } |
| 3073 | Code = R"cpp( |
| 3074 | struct A |
| 3075 | { |
| 3076 | ~A(); |
| 3077 | private: |
| 3078 | int i; |
| 3079 | }; |
| 3080 | |
| 3081 | A::~A() = default; |
| 3082 | )cpp" ; |
| 3083 | { |
| 3084 | auto M = cxxDestructorDecl(isDefaulted(), |
| 3085 | ofClass(cxxRecordDecl(has(fieldDecl())))); |
| 3086 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, M))); |
| 3087 | EXPECT_TRUE(matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, M))); |
| 3088 | } |
| 3089 | Code = R"cpp( |
| 3090 | struct S |
| 3091 | { |
| 3092 | static constexpr bool getTrue() { return true; } |
| 3093 | }; |
| 3094 | |
| 3095 | struct A |
| 3096 | { |
| 3097 | explicit(S::getTrue()) A(); |
| 3098 | }; |
| 3099 | |
| 3100 | A::A() = default; |
| 3101 | )cpp" ; |
| 3102 | { |
| 3103 | EXPECT_TRUE(matchesConditionally( |
| 3104 | Code, |
| 3105 | traverse(TK_AsIs, |
| 3106 | cxxConstructorDecl( |
| 3107 | isDefaulted(), |
| 3108 | hasExplicitSpecifier(expr(ignoringImplicit( |
| 3109 | callExpr(has(ignoringImplicit(declRefExpr())))))))), |
| 3110 | true, {"-std=c++20" })); |
| 3111 | EXPECT_TRUE(matchesConditionally( |
| 3112 | Code, |
| 3113 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 3114 | cxxConstructorDecl( |
| 3115 | isDefaulted(), |
| 3116 | hasExplicitSpecifier(callExpr(has(declRefExpr()))))), |
| 3117 | true, {"-std=c++20" })); |
| 3118 | } |
| 3119 | } |
| 3120 | |
| 3121 | template <typename MatcherT> |
| 3122 | bool matcherTemplateWithBinding(StringRef Code, const MatcherT &M) { |
| 3123 | return matchAndVerifyResultTrue( |
| 3124 | Code, M.bind("matchedStmt" ), |
| 3125 | std::make_unique<VerifyIdIsBoundTo<ReturnStmt>>("matchedStmt" , 1)); |
| 3126 | } |
| 3127 | |
| 3128 | TEST(Traversal, traverseWithBinding) { |
| 3129 | // Some existing matcher code expects to take a matcher as a |
| 3130 | // template arg and bind to it. Verify that that works. |
| 3131 | |
| 3132 | llvm::StringRef Code = R"cpp( |
| 3133 | int foo() |
| 3134 | { |
| 3135 | return 42.0; |
| 3136 | } |
| 3137 | )cpp" ; |
| 3138 | EXPECT_TRUE(matcherTemplateWithBinding( |
| 3139 | Code, traverse(TK_AsIs, |
| 3140 | returnStmt(has(implicitCastExpr(has(floatLiteral()))))))); |
| 3141 | } |
| 3142 | |
| 3143 | TEST(Traversal, traverseMatcherNesting) { |
| 3144 | |
| 3145 | StringRef Code = R"cpp( |
| 3146 | float bar(int i) |
| 3147 | { |
| 3148 | return i; |
| 3149 | } |
| 3150 | |
| 3151 | void foo() |
| 3152 | { |
| 3153 | bar(bar(3.0)); |
| 3154 | } |
| 3155 | )cpp" ; |
| 3156 | |
| 3157 | EXPECT_TRUE( |
| 3158 | matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, |
| 3159 | callExpr(has(callExpr(traverse( |
| 3160 | TK_AsIs, callExpr(has(implicitCastExpr( |
| 3161 | has(floatLiteral()))))))))))); |
| 3162 | |
| 3163 | EXPECT_TRUE(matches( |
| 3164 | Code, |
| 3165 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 3166 | traverse(TK_AsIs, implicitCastExpr(has(floatLiteral())))))); |
| 3167 | } |
| 3168 | |
| 3169 | TEST(Traversal, traverseMatcherThroughImplicit) { |
| 3170 | StringRef Code = R"cpp( |
| 3171 | struct S { |
| 3172 | S(int x); |
| 3173 | }; |
| 3174 | |
| 3175 | void constructImplicit() { |
| 3176 | int a = 8; |
| 3177 | S s(a); |
| 3178 | } |
| 3179 | )cpp" ; |
| 3180 | |
| 3181 | auto Matcher = traverse(TK_IgnoreUnlessSpelledInSource, implicitCastExpr()); |
| 3182 | |
| 3183 | // Verfiy that it does not segfault |
| 3184 | EXPECT_FALSE(matches(Code, Matcher)); |
| 3185 | } |
| 3186 | |
| 3187 | TEST(Traversal, traverseMatcherThroughMemoization) { |
| 3188 | |
| 3189 | StringRef Code = R"cpp( |
| 3190 | void foo() |
| 3191 | { |
| 3192 | int i = 3.0; |
| 3193 | } |
| 3194 | )cpp" ; |
| 3195 | |
| 3196 | auto Matcher = varDecl(hasInitializer(floatLiteral())); |
| 3197 | |
| 3198 | // Matchers such as hasDescendant memoize their result regarding AST |
| 3199 | // nodes. In the matcher below, the first use of hasDescendant(Matcher) |
| 3200 | // fails, and the use of it inside the traverse() matcher should pass |
| 3201 | // causing the overall matcher to be a true match. |
| 3202 | // This test verifies that the first false result is not re-used, which |
| 3203 | // would cause the overall matcher to be incorrectly false. |
| 3204 | |
| 3205 | EXPECT_TRUE(matches( |
| 3206 | Code, |
| 3207 | functionDecl(anyOf(hasDescendant(Matcher), |
| 3208 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 3209 | functionDecl(hasDescendant(Matcher))))))); |
| 3210 | } |
| 3211 | |
| 3212 | TEST(Traversal, traverseUnlessSpelledInSource) { |
| 3213 | |
| 3214 | StringRef Code = R"cpp( |
| 3215 | |
| 3216 | struct A |
| 3217 | { |
| 3218 | }; |
| 3219 | |
| 3220 | struct B |
| 3221 | { |
| 3222 | B(int); |
| 3223 | B(A const& a); |
| 3224 | B(); |
| 3225 | }; |
| 3226 | |
| 3227 | struct C |
| 3228 | { |
| 3229 | operator B(); |
| 3230 | }; |
| 3231 | |
| 3232 | B func1() { |
| 3233 | return 42; |
| 3234 | } |
| 3235 | |
| 3236 | B func2() { |
| 3237 | return B{42}; |
| 3238 | } |
| 3239 | |
| 3240 | B func3() { |
| 3241 | return B(42); |
| 3242 | } |
| 3243 | |
| 3244 | B func4() { |
| 3245 | return B(); |
| 3246 | } |
| 3247 | |
| 3248 | B func5() { |
| 3249 | return B{}; |
| 3250 | } |
| 3251 | |
| 3252 | B func6() { |
| 3253 | return C(); |
| 3254 | } |
| 3255 | |
| 3256 | B func7() { |
| 3257 | return A(); |
| 3258 | } |
| 3259 | |
| 3260 | B func8() { |
| 3261 | return C{}; |
| 3262 | } |
| 3263 | |
| 3264 | B func9() { |
| 3265 | return A{}; |
| 3266 | } |
| 3267 | |
| 3268 | B func10() { |
| 3269 | A a; |
| 3270 | return a; |
| 3271 | } |
| 3272 | |
| 3273 | B func11() { |
| 3274 | B b; |
| 3275 | return b; |
| 3276 | } |
| 3277 | |
| 3278 | B func12() { |
| 3279 | C c; |
| 3280 | return c; |
| 3281 | } |
| 3282 | |
| 3283 | void func13() { |
| 3284 | int a = 0; |
| 3285 | int c = 0; |
| 3286 | |
| 3287 | [a, b = c](int d) { int e = d; }; |
| 3288 | } |
| 3289 | |
| 3290 | void func14() { |
| 3291 | [] <typename TemplateType> (TemplateType t, TemplateType u) { int e = t + u; }; |
| 3292 | float i = 42.0; |
| 3293 | } |
| 3294 | |
| 3295 | void func15() { |
| 3296 | int count = 0; |
| 3297 | auto l = [&] { ++count; }; |
| 3298 | (void)l; |
| 3299 | } |
| 3300 | |
| 3301 | )cpp" ; |
| 3302 | |
| 3303 | EXPECT_TRUE( |
| 3304 | matches(Code, |
| 3305 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 3306 | returnStmt(forFunction(functionDecl(hasName("func1" ))), |
| 3307 | hasReturnValue(integerLiteral(equals(42))))), |
| 3308 | langCxx20OrLater())); |
| 3309 | |
| 3310 | EXPECT_TRUE( |
| 3311 | matches(Code, |
| 3312 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 3313 | integerLiteral(equals(42), |
| 3314 | hasParent(returnStmt(forFunction( |
| 3315 | functionDecl(hasName("func1" ))))))), |
| 3316 | langCxx20OrLater())); |
| 3317 | |
| 3318 | EXPECT_TRUE(matches( |
| 3319 | Code, |
| 3320 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 3321 | returnStmt(forFunction(functionDecl(hasName("func2" ))), |
| 3322 | hasReturnValue(cxxTemporaryObjectExpr( |
| 3323 | hasArgument(0, integerLiteral(equals(42))))))), |
| 3324 | langCxx20OrLater())); |
| 3325 | EXPECT_TRUE(matches( |
| 3326 | Code, |
| 3327 | traverse( |
| 3328 | TK_IgnoreUnlessSpelledInSource, |
| 3329 | integerLiteral(equals(42), |
| 3330 | hasParent(cxxTemporaryObjectExpr(hasParent(returnStmt( |
| 3331 | forFunction(functionDecl(hasName("func2" ))))))))), |
| 3332 | langCxx20OrLater())); |
| 3333 | |
| 3334 | EXPECT_TRUE( |
| 3335 | matches(Code, |
| 3336 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 3337 | returnStmt(forFunction(functionDecl(hasName("func3" ))), |
| 3338 | hasReturnValue(cxxConstructExpr(hasArgument( |
| 3339 | 0, integerLiteral(equals(42))))))), |
| 3340 | langCxx20OrLater())); |
| 3341 | |
| 3342 | EXPECT_TRUE(matches( |
| 3343 | Code, |
| 3344 | traverse( |
| 3345 | TK_IgnoreUnlessSpelledInSource, |
| 3346 | integerLiteral(equals(42), |
| 3347 | hasParent(cxxConstructExpr(hasParent(returnStmt( |
| 3348 | forFunction(functionDecl(hasName("func3" ))))))))), |
| 3349 | langCxx20OrLater())); |
| 3350 | |
| 3351 | EXPECT_TRUE( |
| 3352 | matches(Code, |
| 3353 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 3354 | returnStmt(forFunction(functionDecl(hasName("func4" ))), |
| 3355 | hasReturnValue(cxxTemporaryObjectExpr()))), |
| 3356 | langCxx20OrLater())); |
| 3357 | |
| 3358 | EXPECT_TRUE( |
| 3359 | matches(Code, |
| 3360 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 3361 | returnStmt(forFunction(functionDecl(hasName("func5" ))), |
| 3362 | hasReturnValue(cxxTemporaryObjectExpr()))), |
| 3363 | langCxx20OrLater())); |
| 3364 | |
| 3365 | EXPECT_TRUE( |
| 3366 | matches(Code, |
| 3367 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 3368 | returnStmt(forFunction(functionDecl(hasName("func6" ))), |
| 3369 | hasReturnValue(cxxTemporaryObjectExpr()))), |
| 3370 | langCxx20OrLater())); |
| 3371 | |
| 3372 | EXPECT_TRUE( |
| 3373 | matches(Code, |
| 3374 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 3375 | returnStmt(forFunction(functionDecl(hasName("func7" ))), |
| 3376 | hasReturnValue(cxxTemporaryObjectExpr()))), |
| 3377 | langCxx20OrLater())); |
| 3378 | |
| 3379 | EXPECT_TRUE( |
| 3380 | matches(Code, |
| 3381 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 3382 | returnStmt(forFunction(functionDecl(hasName("func8" ))), |
| 3383 | hasReturnValue(cxxFunctionalCastExpr( |
| 3384 | hasSourceExpression(initListExpr()))))), |
| 3385 | langCxx20OrLater())); |
| 3386 | |
| 3387 | EXPECT_TRUE( |
| 3388 | matches(Code, |
| 3389 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 3390 | returnStmt(forFunction(functionDecl(hasName("func9" ))), |
| 3391 | hasReturnValue(cxxFunctionalCastExpr( |
| 3392 | hasSourceExpression(initListExpr()))))), |
| 3393 | langCxx20OrLater())); |
| 3394 | |
| 3395 | EXPECT_TRUE(matches( |
| 3396 | Code, |
| 3397 | traverse( |
| 3398 | TK_IgnoreUnlessSpelledInSource, |
| 3399 | returnStmt(forFunction(functionDecl(hasName("func10" ))), |
| 3400 | hasReturnValue(declRefExpr(to(varDecl(hasName("a" ))))))), |
| 3401 | langCxx20OrLater())); |
| 3402 | |
| 3403 | EXPECT_TRUE( |
| 3404 | matches(Code, |
| 3405 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 3406 | declRefExpr(to(varDecl(hasName("a" ))), |
| 3407 | hasParent(returnStmt(forFunction( |
| 3408 | functionDecl(hasName("func10" ))))))), |
| 3409 | langCxx20OrLater())); |
| 3410 | |
| 3411 | EXPECT_TRUE(matches( |
| 3412 | Code, |
| 3413 | traverse( |
| 3414 | TK_IgnoreUnlessSpelledInSource, |
| 3415 | returnStmt(forFunction(functionDecl(hasName("func11" ))), |
| 3416 | hasReturnValue(declRefExpr(to(varDecl(hasName("b" ))))))), |
| 3417 | langCxx20OrLater())); |
| 3418 | |
| 3419 | EXPECT_TRUE( |
| 3420 | matches(Code, |
| 3421 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 3422 | declRefExpr(to(varDecl(hasName("b" ))), |
| 3423 | hasParent(returnStmt(forFunction( |
| 3424 | functionDecl(hasName("func11" ))))))), |
| 3425 | langCxx20OrLater())); |
| 3426 | |
| 3427 | EXPECT_TRUE(matches( |
| 3428 | Code, |
| 3429 | traverse( |
| 3430 | TK_IgnoreUnlessSpelledInSource, |
| 3431 | returnStmt(forFunction(functionDecl(hasName("func12" ))), |
| 3432 | hasReturnValue(declRefExpr(to(varDecl(hasName("c" ))))))), |
| 3433 | langCxx20OrLater())); |
| 3434 | |
| 3435 | EXPECT_TRUE( |
| 3436 | matches(Code, |
| 3437 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 3438 | declRefExpr(to(varDecl(hasName("c" ))), |
| 3439 | hasParent(returnStmt(forFunction( |
| 3440 | functionDecl(hasName("func12" ))))))), |
| 3441 | langCxx20OrLater())); |
| 3442 | |
| 3443 | EXPECT_TRUE(matches( |
| 3444 | Code, |
| 3445 | traverse( |
| 3446 | TK_IgnoreUnlessSpelledInSource, |
| 3447 | lambdaExpr(forFunction(functionDecl(hasName("func13" ))), |
| 3448 | has(compoundStmt(hasDescendant(varDecl(hasName("e" ))))), |
| 3449 | has(declRefExpr(to(varDecl(hasName("a" ))))), |
| 3450 | has(varDecl(hasName("b" ), hasInitializer(declRefExpr(to( |
| 3451 | varDecl(hasName("c" ))))))), |
| 3452 | has(parmVarDecl(hasName("d" ))))), |
| 3453 | langCxx20OrLater())); |
| 3454 | |
| 3455 | EXPECT_TRUE( |
| 3456 | matches(Code, |
| 3457 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 3458 | declRefExpr(to(varDecl(hasName("a" ))), |
| 3459 | hasParent(lambdaExpr(forFunction( |
| 3460 | functionDecl(hasName("func13" ))))))), |
| 3461 | langCxx20OrLater())); |
| 3462 | |
| 3463 | EXPECT_TRUE(matches( |
| 3464 | Code, |
| 3465 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 3466 | varDecl(hasName("b" ), |
| 3467 | hasInitializer(declRefExpr(to(varDecl(hasName("c" ))))), |
| 3468 | hasParent(lambdaExpr( |
| 3469 | forFunction(functionDecl(hasName("func13" ))))))), |
| 3470 | langCxx20OrLater())); |
| 3471 | |
| 3472 | EXPECT_TRUE(matches( |
| 3473 | Code, |
| 3474 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 3475 | lambdaExpr(forFunction(functionDecl(hasName("func14" ))), |
| 3476 | has(templateTypeParmDecl(hasName("TemplateType" ))))), |
| 3477 | langCxx20OrLater())); |
| 3478 | |
| 3479 | EXPECT_TRUE(matches( |
| 3480 | Code, |
| 3481 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 3482 | functionDecl(hasName("func14" ), hasDescendant(floatLiteral()))), |
| 3483 | langCxx20OrLater())); |
| 3484 | |
| 3485 | EXPECT_TRUE(matches( |
| 3486 | Code, |
| 3487 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 3488 | compoundStmt( |
| 3489 | hasDescendant(varDecl(hasName("count" )).bind("countVar" )), |
| 3490 | hasDescendant( |
| 3491 | declRefExpr(to(varDecl(equalsBoundNode("countVar" ))))))), |
| 3492 | langCxx20OrLater())); |
| 3493 | |
| 3494 | Code = R"cpp( |
| 3495 | void foo() { |
| 3496 | int explicit_captured = 0; |
| 3497 | int implicit_captured = 0; |
| 3498 | auto l = [&, explicit_captured](int i) { |
| 3499 | if (i || explicit_captured || implicit_captured) return; |
| 3500 | }; |
| 3501 | } |
| 3502 | )cpp" ; |
| 3503 | |
| 3504 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, ifStmt()))); |
| 3505 | EXPECT_TRUE( |
| 3506 | matches(Code, traverse(TK_IgnoreUnlessSpelledInSource, ifStmt()))); |
| 3507 | |
| 3508 | auto lambdaExplicitCapture = declRefExpr( |
| 3509 | to(varDecl(hasName("explicit_captured" ))), unless(hasAncestor(ifStmt()))); |
| 3510 | auto lambdaImplicitCapture = declRefExpr( |
| 3511 | to(varDecl(hasName("implicit_captured" ))), unless(hasAncestor(ifStmt()))); |
| 3512 | |
| 3513 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, lambdaExplicitCapture))); |
| 3514 | EXPECT_TRUE(matches( |
| 3515 | Code, traverse(TK_IgnoreUnlessSpelledInSource, lambdaExplicitCapture))); |
| 3516 | |
| 3517 | EXPECT_TRUE(matches(Code, traverse(TK_AsIs, lambdaImplicitCapture))); |
| 3518 | EXPECT_FALSE(matches( |
| 3519 | Code, traverse(TK_IgnoreUnlessSpelledInSource, lambdaImplicitCapture))); |
| 3520 | |
| 3521 | Code = R"cpp( |
| 3522 | struct S {}; |
| 3523 | |
| 3524 | struct HasOpEq |
| 3525 | { |
| 3526 | bool operator==(const S& other) |
| 3527 | { |
| 3528 | return true; |
| 3529 | } |
| 3530 | }; |
| 3531 | |
| 3532 | void binop() |
| 3533 | { |
| 3534 | HasOpEq s1; |
| 3535 | S s2; |
| 3536 | if (s1 != s2) |
| 3537 | return; |
| 3538 | } |
| 3539 | )cpp" ; |
| 3540 | { |
| 3541 | auto M = unaryOperator( |
| 3542 | hasOperatorName("!" ), |
| 3543 | has(cxxOperatorCallExpr(hasOverloadedOperatorName("==" )))); |
| 3544 | EXPECT_TRUE( |
| 3545 | matchesConditionally(Code, traverse(TK_AsIs, M), true, {"-std=c++20" })); |
| 3546 | EXPECT_FALSE( |
| 3547 | matchesConditionally(Code, traverse(TK_IgnoreUnlessSpelledInSource, M), |
| 3548 | true, {"-std=c++20" })); |
| 3549 | } |
| 3550 | { |
| 3551 | auto M = declRefExpr(to(varDecl(hasName("s1" )))); |
| 3552 | EXPECT_TRUE( |
| 3553 | matchesConditionally(Code, traverse(TK_AsIs, M), true, {"-std=c++20" })); |
| 3554 | EXPECT_TRUE( |
| 3555 | matchesConditionally(Code, traverse(TK_IgnoreUnlessSpelledInSource, M), |
| 3556 | true, {"-std=c++20" })); |
| 3557 | } |
| 3558 | { |
| 3559 | auto M = cxxOperatorCallExpr(hasOverloadedOperatorName("==" )); |
| 3560 | EXPECT_TRUE( |
| 3561 | matchesConditionally(Code, traverse(TK_AsIs, M), true, {"-std=c++20" })); |
| 3562 | EXPECT_FALSE( |
| 3563 | matchesConditionally(Code, traverse(TK_IgnoreUnlessSpelledInSource, M), |
| 3564 | true, {"-std=c++20" })); |
| 3565 | } |
| 3566 | { |
| 3567 | auto M = cxxOperatorCallExpr(hasOverloadedOperatorName("!=" )); |
| 3568 | EXPECT_FALSE( |
| 3569 | matchesConditionally(Code, traverse(TK_AsIs, M), true, {"-std=c++20" })); |
| 3570 | EXPECT_FALSE( |
| 3571 | matchesConditionally(Code, traverse(TK_IgnoreUnlessSpelledInSource, M), |
| 3572 | true, {"-std=c++20" })); |
| 3573 | } |
| 3574 | auto withDescendants = [](StringRef lName, StringRef rName) { |
| 3575 | return stmt(hasDescendant(declRefExpr(to(varDecl(hasName(lName))))), |
| 3576 | hasDescendant(declRefExpr(to(varDecl(hasName(rName)))))); |
| 3577 | }; |
| 3578 | { |
| 3579 | auto M = cxxRewrittenBinaryOperator(withDescendants("s1" , "s2" )); |
| 3580 | EXPECT_TRUE( |
| 3581 | matchesConditionally(Code, traverse(TK_AsIs, M), true, {"-std=c++20" })); |
| 3582 | EXPECT_TRUE( |
| 3583 | matchesConditionally(Code, traverse(TK_IgnoreUnlessSpelledInSource, M), |
| 3584 | true, {"-std=c++20" })); |
| 3585 | } |
| 3586 | { |
| 3587 | auto M = cxxRewrittenBinaryOperator( |
| 3588 | has(declRefExpr(to(varDecl(hasName("s1" ))))), |
| 3589 | has(declRefExpr(to(varDecl(hasName("s2" )))))); |
| 3590 | EXPECT_FALSE( |
| 3591 | matchesConditionally(Code, traverse(TK_AsIs, M), true, {"-std=c++20" })); |
| 3592 | EXPECT_TRUE( |
| 3593 | matchesConditionally(Code, traverse(TK_IgnoreUnlessSpelledInSource, M), |
| 3594 | true, {"-std=c++20" })); |
| 3595 | } |
| 3596 | { |
| 3597 | EXPECT_TRUE(matchesConditionally( |
| 3598 | Code, |
| 3599 | traverse(TK_AsIs, |
| 3600 | cxxRewrittenBinaryOperator( |
| 3601 | hasOperatorName("!=" ), hasAnyOperatorName("<" , "!=" ), |
| 3602 | isComparisonOperator(), |
| 3603 | hasLHS(ignoringImplicit( |
| 3604 | declRefExpr(to(varDecl(hasName("s1" )))))), |
| 3605 | hasRHS(ignoringImplicit( |
| 3606 | declRefExpr(to(varDecl(hasName("s2" )))))), |
| 3607 | hasEitherOperand(ignoringImplicit( |
| 3608 | declRefExpr(to(varDecl(hasName("s2" )))))), |
| 3609 | hasOperands(ignoringImplicit( |
| 3610 | declRefExpr(to(varDecl(hasName("s1" ))))), |
| 3611 | ignoringImplicit(declRefExpr( |
| 3612 | to(varDecl(hasName("s2" )))))))), |
| 3613 | true, {"-std=c++20" })); |
| 3614 | EXPECT_TRUE(matchesConditionally( |
| 3615 | Code, |
| 3616 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 3617 | cxxRewrittenBinaryOperator( |
| 3618 | hasOperatorName("!=" ), hasAnyOperatorName("<" , "!=" ), |
| 3619 | isComparisonOperator(), |
| 3620 | hasLHS(declRefExpr(to(varDecl(hasName("s1" ))))), |
| 3621 | hasRHS(declRefExpr(to(varDecl(hasName("s2" ))))), |
| 3622 | hasEitherOperand(declRefExpr(to(varDecl(hasName("s2" ))))), |
| 3623 | hasOperands(declRefExpr(to(varDecl(hasName("s1" )))), |
| 3624 | declRefExpr(to(varDecl(hasName("s2" ))))))), |
| 3625 | true, {"-std=c++20" })); |
| 3626 | } |
| 3627 | |
| 3628 | Code = R"cpp( |
| 3629 | namespace std { |
| 3630 | struct strong_ordering { |
| 3631 | int n; |
| 3632 | constexpr operator int() const { return n; } |
| 3633 | static const strong_ordering equal, greater, less; |
| 3634 | }; |
| 3635 | constexpr strong_ordering strong_ordering::equal = {0}; |
| 3636 | constexpr strong_ordering strong_ordering::greater = {1}; |
| 3637 | constexpr strong_ordering strong_ordering::less = {-1}; |
| 3638 | } |
| 3639 | |
| 3640 | struct HasSpaceshipMem { |
| 3641 | int a; |
| 3642 | constexpr auto operator<=>(const HasSpaceshipMem&) const = default; |
| 3643 | }; |
| 3644 | |
| 3645 | void binop() |
| 3646 | { |
| 3647 | HasSpaceshipMem hs1, hs2; |
| 3648 | if (hs1 == hs2) |
| 3649 | return; |
| 3650 | |
| 3651 | HasSpaceshipMem hs3, hs4; |
| 3652 | if (hs3 != hs4) |
| 3653 | return; |
| 3654 | |
| 3655 | HasSpaceshipMem hs5, hs6; |
| 3656 | if (hs5 < hs6) |
| 3657 | return; |
| 3658 | |
| 3659 | HasSpaceshipMem hs7, hs8; |
| 3660 | if (hs7 > hs8) |
| 3661 | return; |
| 3662 | |
| 3663 | HasSpaceshipMem hs9, hs10; |
| 3664 | if (hs9 <= hs10) |
| 3665 | return; |
| 3666 | |
| 3667 | HasSpaceshipMem hs11, hs12; |
| 3668 | if (hs11 >= hs12) |
| 3669 | return; |
| 3670 | } |
| 3671 | )cpp" ; |
| 3672 | auto withArgs = [](StringRef lName, StringRef rName) { |
| 3673 | return cxxOperatorCallExpr( |
| 3674 | hasArgument(0, declRefExpr(to(varDecl(hasName(lName))))), |
| 3675 | hasArgument(1, declRefExpr(to(varDecl(hasName(rName)))))); |
| 3676 | }; |
| 3677 | { |
| 3678 | auto M = ifStmt(hasCondition(cxxOperatorCallExpr( |
| 3679 | hasOverloadedOperatorName("==" ), withArgs("hs1" , "hs2" )))); |
| 3680 | EXPECT_TRUE( |
| 3681 | matchesConditionally(Code, traverse(TK_AsIs, M), true, {"-std=c++20" })); |
| 3682 | EXPECT_TRUE( |
| 3683 | matchesConditionally(Code, traverse(TK_IgnoreUnlessSpelledInSource, M), |
| 3684 | true, {"-std=c++20" })); |
| 3685 | } |
| 3686 | { |
| 3687 | auto M = |
| 3688 | unaryOperator(hasOperatorName("!" ), |
| 3689 | has(cxxOperatorCallExpr(hasOverloadedOperatorName("==" ), |
| 3690 | withArgs("hs3" , "hs4" )))); |
| 3691 | EXPECT_TRUE( |
| 3692 | matchesConditionally(Code, traverse(TK_AsIs, M), true, {"-std=c++20" })); |
| 3693 | EXPECT_FALSE( |
| 3694 | matchesConditionally(Code, traverse(TK_IgnoreUnlessSpelledInSource, M), |
| 3695 | true, {"-std=c++20" })); |
| 3696 | } |
| 3697 | { |
| 3698 | auto M = |
| 3699 | unaryOperator(hasOperatorName("!" ), |
| 3700 | has(cxxOperatorCallExpr(hasOverloadedOperatorName("==" ), |
| 3701 | withArgs("hs3" , "hs4" )))); |
| 3702 | EXPECT_TRUE( |
| 3703 | matchesConditionally(Code, traverse(TK_AsIs, M), true, {"-std=c++20" })); |
| 3704 | EXPECT_FALSE( |
| 3705 | matchesConditionally(Code, traverse(TK_IgnoreUnlessSpelledInSource, M), |
| 3706 | true, {"-std=c++20" })); |
| 3707 | } |
| 3708 | { |
| 3709 | auto M = binaryOperator( |
| 3710 | hasOperatorName("<" ), |
| 3711 | hasLHS(hasDescendant(cxxOperatorCallExpr( |
| 3712 | hasOverloadedOperatorName("<=>" ), withArgs("hs5" , "hs6" )))), |
| 3713 | hasRHS(integerLiteral(equals(0)))); |
| 3714 | EXPECT_TRUE( |
| 3715 | matchesConditionally(Code, traverse(TK_AsIs, M), true, {"-std=c++20" })); |
| 3716 | EXPECT_FALSE( |
| 3717 | matchesConditionally(Code, traverse(TK_IgnoreUnlessSpelledInSource, M), |
| 3718 | true, {"-std=c++20" })); |
| 3719 | } |
| 3720 | { |
| 3721 | auto M = cxxRewrittenBinaryOperator(withDescendants("hs3" , "hs4" )); |
| 3722 | EXPECT_TRUE( |
| 3723 | matchesConditionally(Code, traverse(TK_AsIs, M), true, {"-std=c++20" })); |
| 3724 | EXPECT_TRUE( |
| 3725 | matchesConditionally(Code, traverse(TK_IgnoreUnlessSpelledInSource, M), |
| 3726 | true, {"-std=c++20" })); |
| 3727 | } |
| 3728 | { |
| 3729 | auto M = declRefExpr(to(varDecl(hasName("hs3" )))); |
| 3730 | EXPECT_TRUE( |
| 3731 | matchesConditionally(Code, traverse(TK_AsIs, M), true, {"-std=c++20" })); |
| 3732 | EXPECT_TRUE( |
| 3733 | matchesConditionally(Code, traverse(TK_IgnoreUnlessSpelledInSource, M), |
| 3734 | true, {"-std=c++20" })); |
| 3735 | } |
| 3736 | { |
| 3737 | auto M = cxxRewrittenBinaryOperator(has( |
| 3738 | unaryOperator(hasOperatorName("!" ), withDescendants("hs3" , "hs4" )))); |
| 3739 | EXPECT_TRUE( |
| 3740 | matchesConditionally(Code, traverse(TK_AsIs, M), true, {"-std=c++20" })); |
| 3741 | EXPECT_FALSE( |
| 3742 | matchesConditionally(Code, traverse(TK_IgnoreUnlessSpelledInSource, M), |
| 3743 | true, {"-std=c++20" })); |
| 3744 | } |
| 3745 | { |
| 3746 | auto M = cxxRewrittenBinaryOperator( |
| 3747 | has(declRefExpr(to(varDecl(hasName("hs3" ))))), |
| 3748 | has(declRefExpr(to(varDecl(hasName("hs4" )))))); |
| 3749 | EXPECT_FALSE( |
| 3750 | matchesConditionally(Code, traverse(TK_AsIs, M), true, {"-std=c++20" })); |
| 3751 | EXPECT_TRUE( |
| 3752 | matchesConditionally(Code, traverse(TK_IgnoreUnlessSpelledInSource, M), |
| 3753 | true, {"-std=c++20" })); |
| 3754 | } |
| 3755 | { |
| 3756 | EXPECT_TRUE(matchesConditionally( |
| 3757 | Code, |
| 3758 | traverse(TK_AsIs, |
| 3759 | cxxRewrittenBinaryOperator( |
| 3760 | hasOperatorName("!=" ), hasAnyOperatorName("<" , "!=" ), |
| 3761 | isComparisonOperator(), |
| 3762 | hasLHS(ignoringImplicit( |
| 3763 | declRefExpr(to(varDecl(hasName("hs3" )))))), |
| 3764 | hasRHS(ignoringImplicit( |
| 3765 | declRefExpr(to(varDecl(hasName("hs4" )))))), |
| 3766 | hasEitherOperand(ignoringImplicit( |
| 3767 | declRefExpr(to(varDecl(hasName("hs3" )))))), |
| 3768 | hasOperands(ignoringImplicit( |
| 3769 | declRefExpr(to(varDecl(hasName("hs3" ))))), |
| 3770 | ignoringImplicit(declRefExpr( |
| 3771 | to(varDecl(hasName("hs4" )))))))), |
| 3772 | true, {"-std=c++20" })); |
| 3773 | EXPECT_TRUE(matchesConditionally( |
| 3774 | Code, |
| 3775 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 3776 | cxxRewrittenBinaryOperator( |
| 3777 | hasOperatorName("!=" ), hasAnyOperatorName("<" , "!=" ), |
| 3778 | isComparisonOperator(), |
| 3779 | hasLHS(declRefExpr(to(varDecl(hasName("hs3" ))))), |
| 3780 | hasRHS(declRefExpr(to(varDecl(hasName("hs4" ))))), |
| 3781 | hasEitherOperand(declRefExpr(to(varDecl(hasName("hs3" ))))), |
| 3782 | hasOperands(declRefExpr(to(varDecl(hasName("hs3" )))), |
| 3783 | declRefExpr(to(varDecl(hasName("hs4" ))))))), |
| 3784 | true, {"-std=c++20" })); |
| 3785 | } |
| 3786 | { |
| 3787 | EXPECT_TRUE(matchesConditionally( |
| 3788 | Code, |
| 3789 | traverse(TK_AsIs, |
| 3790 | cxxRewrittenBinaryOperator( |
| 3791 | hasOperatorName("<" ), hasAnyOperatorName("<" , "!=" ), |
| 3792 | isComparisonOperator(), |
| 3793 | hasLHS(ignoringImplicit( |
| 3794 | declRefExpr(to(varDecl(hasName("hs5" )))))), |
| 3795 | hasRHS(ignoringImplicit( |
| 3796 | declRefExpr(to(varDecl(hasName("hs6" )))))), |
| 3797 | hasEitherOperand(ignoringImplicit( |
| 3798 | declRefExpr(to(varDecl(hasName("hs5" )))))), |
| 3799 | hasOperands(ignoringImplicit( |
| 3800 | declRefExpr(to(varDecl(hasName("hs5" ))))), |
| 3801 | ignoringImplicit(declRefExpr( |
| 3802 | to(varDecl(hasName("hs6" )))))))), |
| 3803 | true, {"-std=c++20" })); |
| 3804 | EXPECT_TRUE(matchesConditionally( |
| 3805 | Code, |
| 3806 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 3807 | cxxRewrittenBinaryOperator( |
| 3808 | hasOperatorName("<" ), hasAnyOperatorName("<" , "!=" ), |
| 3809 | isComparisonOperator(), |
| 3810 | hasLHS(declRefExpr(to(varDecl(hasName("hs5" ))))), |
| 3811 | hasRHS(declRefExpr(to(varDecl(hasName("hs6" ))))), |
| 3812 | hasEitherOperand(declRefExpr(to(varDecl(hasName("hs5" ))))), |
| 3813 | hasOperands(declRefExpr(to(varDecl(hasName("hs5" )))), |
| 3814 | declRefExpr(to(varDecl(hasName("hs6" ))))))), |
| 3815 | true, {"-std=c++20" })); |
| 3816 | } |
| 3817 | { |
| 3818 | EXPECT_TRUE(matchesConditionally( |
| 3819 | Code, |
| 3820 | traverse(TK_AsIs, |
| 3821 | cxxRewrittenBinaryOperator( |
| 3822 | hasOperatorName(">" ), hasAnyOperatorName("<" , ">" ), |
| 3823 | isComparisonOperator(), |
| 3824 | hasLHS(ignoringImplicit( |
| 3825 | declRefExpr(to(varDecl(hasName("hs7" )))))), |
| 3826 | hasRHS(ignoringImplicit( |
| 3827 | declRefExpr(to(varDecl(hasName("hs8" )))))), |
| 3828 | hasEitherOperand(ignoringImplicit( |
| 3829 | declRefExpr(to(varDecl(hasName("hs7" )))))), |
| 3830 | hasOperands(ignoringImplicit( |
| 3831 | declRefExpr(to(varDecl(hasName("hs7" ))))), |
| 3832 | ignoringImplicit(declRefExpr( |
| 3833 | to(varDecl(hasName("hs8" )))))))), |
| 3834 | true, {"-std=c++20" })); |
| 3835 | EXPECT_TRUE(matchesConditionally( |
| 3836 | Code, |
| 3837 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 3838 | cxxRewrittenBinaryOperator( |
| 3839 | hasOperatorName(">" ), hasAnyOperatorName("<" , ">" ), |
| 3840 | isComparisonOperator(), |
| 3841 | hasLHS(declRefExpr(to(varDecl(hasName("hs7" ))))), |
| 3842 | hasRHS(declRefExpr(to(varDecl(hasName("hs8" ))))), |
| 3843 | hasEitherOperand(declRefExpr(to(varDecl(hasName("hs7" ))))), |
| 3844 | hasOperands(declRefExpr(to(varDecl(hasName("hs7" )))), |
| 3845 | declRefExpr(to(varDecl(hasName("hs8" ))))))), |
| 3846 | true, {"-std=c++20" })); |
| 3847 | } |
| 3848 | { |
| 3849 | EXPECT_TRUE(matchesConditionally( |
| 3850 | Code, |
| 3851 | traverse(TK_AsIs, |
| 3852 | cxxRewrittenBinaryOperator( |
| 3853 | hasOperatorName("<=" ), hasAnyOperatorName("<" , "<=" ), |
| 3854 | isComparisonOperator(), |
| 3855 | hasLHS(ignoringImplicit( |
| 3856 | declRefExpr(to(varDecl(hasName("hs9" )))))), |
| 3857 | hasRHS(ignoringImplicit( |
| 3858 | declRefExpr(to(varDecl(hasName("hs10" )))))), |
| 3859 | hasEitherOperand(ignoringImplicit( |
| 3860 | declRefExpr(to(varDecl(hasName("hs9" )))))), |
| 3861 | hasOperands(ignoringImplicit( |
| 3862 | declRefExpr(to(varDecl(hasName("hs9" ))))), |
| 3863 | ignoringImplicit(declRefExpr( |
| 3864 | to(varDecl(hasName("hs10" )))))))), |
| 3865 | true, {"-std=c++20" })); |
| 3866 | EXPECT_TRUE(matchesConditionally( |
| 3867 | Code, |
| 3868 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 3869 | cxxRewrittenBinaryOperator( |
| 3870 | hasOperatorName("<=" ), hasAnyOperatorName("<" , "<=" ), |
| 3871 | isComparisonOperator(), |
| 3872 | hasLHS(declRefExpr(to(varDecl(hasName("hs9" ))))), |
| 3873 | hasRHS(declRefExpr(to(varDecl(hasName("hs10" ))))), |
| 3874 | hasEitherOperand(declRefExpr(to(varDecl(hasName("hs9" ))))), |
| 3875 | hasOperands(declRefExpr(to(varDecl(hasName("hs9" )))), |
| 3876 | declRefExpr(to(varDecl(hasName("hs10" ))))))), |
| 3877 | true, {"-std=c++20" })); |
| 3878 | } |
| 3879 | { |
| 3880 | EXPECT_TRUE(matchesConditionally( |
| 3881 | Code, |
| 3882 | traverse(TK_AsIs, |
| 3883 | cxxRewrittenBinaryOperator( |
| 3884 | hasOperatorName(">=" ), hasAnyOperatorName("<" , ">=" ), |
| 3885 | isComparisonOperator(), |
| 3886 | hasLHS(ignoringImplicit( |
| 3887 | declRefExpr(to(varDecl(hasName("hs11" )))))), |
| 3888 | hasRHS(ignoringImplicit( |
| 3889 | declRefExpr(to(varDecl(hasName("hs12" )))))), |
| 3890 | hasEitherOperand(ignoringImplicit( |
| 3891 | declRefExpr(to(varDecl(hasName("hs11" )))))), |
| 3892 | hasOperands(ignoringImplicit( |
| 3893 | declRefExpr(to(varDecl(hasName("hs11" ))))), |
| 3894 | ignoringImplicit(declRefExpr( |
| 3895 | to(varDecl(hasName("hs12" )))))))), |
| 3896 | true, {"-std=c++20" })); |
| 3897 | EXPECT_TRUE(matchesConditionally( |
| 3898 | Code, |
| 3899 | traverse( |
| 3900 | TK_IgnoreUnlessSpelledInSource, |
| 3901 | cxxRewrittenBinaryOperator( |
| 3902 | hasOperatorName(">=" ), hasAnyOperatorName("<" , ">=" ), |
| 3903 | isComparisonOperator(), |
| 3904 | hasLHS(declRefExpr(to(varDecl(hasName("hs11" ))))), |
| 3905 | hasRHS(declRefExpr(to(varDecl(hasName("hs12" ))))), |
| 3906 | hasEitherOperand(declRefExpr(to(varDecl(hasName("hs11" ))))), |
| 3907 | hasOperands(declRefExpr(to(varDecl(hasName("hs11" )))), |
| 3908 | declRefExpr(to(varDecl(hasName("hs12" ))))))), |
| 3909 | true, {"-std=c++20" })); |
| 3910 | } |
| 3911 | |
| 3912 | Code = R"cpp( |
| 3913 | struct S {}; |
| 3914 | |
| 3915 | struct HasOpEq |
| 3916 | { |
| 3917 | bool operator==(const S& other) const |
| 3918 | { |
| 3919 | return true; |
| 3920 | } |
| 3921 | }; |
| 3922 | |
| 3923 | struct HasOpEqMem { |
| 3924 | bool operator==(const HasOpEqMem&) const { return true; } |
| 3925 | }; |
| 3926 | |
| 3927 | struct HasOpEqFree { |
| 3928 | }; |
| 3929 | bool operator==(const HasOpEqFree&, const HasOpEqFree&) { return true; } |
| 3930 | |
| 3931 | void binop() |
| 3932 | { |
| 3933 | { |
| 3934 | HasOpEq s1; |
| 3935 | S s2; |
| 3936 | if (s1 != s2) |
| 3937 | return; |
| 3938 | } |
| 3939 | |
| 3940 | { |
| 3941 | int i1; |
| 3942 | int i2; |
| 3943 | if (i1 != i2) |
| 3944 | return; |
| 3945 | } |
| 3946 | |
| 3947 | { |
| 3948 | HasOpEqMem M1; |
| 3949 | HasOpEqMem M2; |
| 3950 | if (M1 == M2) |
| 3951 | return; |
| 3952 | } |
| 3953 | |
| 3954 | { |
| 3955 | HasOpEqFree F1; |
| 3956 | HasOpEqFree F2; |
| 3957 | if (F1 == F2) |
| 3958 | return; |
| 3959 | } |
| 3960 | } |
| 3961 | )cpp" ; |
| 3962 | { |
| 3963 | EXPECT_TRUE(matchesConditionally( |
| 3964 | Code, |
| 3965 | traverse(TK_AsIs, |
| 3966 | binaryOperation( |
| 3967 | hasOperatorName("!=" ), hasAnyOperatorName("<" , "!=" ), |
| 3968 | isComparisonOperator(), |
| 3969 | hasLHS(ignoringImplicit( |
| 3970 | declRefExpr(to(varDecl(hasName("s1" )))))), |
| 3971 | hasRHS(ignoringImplicit( |
| 3972 | declRefExpr(to(varDecl(hasName("s2" )))))), |
| 3973 | hasEitherOperand(ignoringImplicit( |
| 3974 | declRefExpr(to(varDecl(hasName("s2" )))))), |
| 3975 | hasOperands(ignoringImplicit( |
| 3976 | declRefExpr(to(varDecl(hasName("s1" ))))), |
| 3977 | ignoringImplicit(declRefExpr( |
| 3978 | to(varDecl(hasName("s2" )))))))), |
| 3979 | true, {"-std=c++20" })); |
| 3980 | EXPECT_TRUE(matchesConditionally( |
| 3981 | Code, |
| 3982 | traverse(TK_AsIs, binaryOperation(hasOperatorName("!=" ), |
| 3983 | hasLHS(ignoringImplicit(declRefExpr( |
| 3984 | to(varDecl(hasName("i1" )))))), |
| 3985 | hasRHS(ignoringImplicit(declRefExpr( |
| 3986 | to(varDecl(hasName("i2" )))))))), |
| 3987 | true, {"-std=c++20" })); |
| 3988 | EXPECT_TRUE(matchesConditionally( |
| 3989 | Code, |
| 3990 | traverse(TK_AsIs, binaryOperation(hasOperatorName("==" ), |
| 3991 | hasLHS(ignoringImplicit(declRefExpr( |
| 3992 | to(varDecl(hasName("M1" )))))), |
| 3993 | hasRHS(ignoringImplicit(declRefExpr( |
| 3994 | to(varDecl(hasName("M2" )))))))), |
| 3995 | true, {"-std=c++20" })); |
| 3996 | EXPECT_TRUE(matchesConditionally( |
| 3997 | Code, |
| 3998 | traverse(TK_AsIs, binaryOperation(hasOperatorName("==" ), |
| 3999 | hasLHS(ignoringImplicit(declRefExpr( |
| 4000 | to(varDecl(hasName("F1" )))))), |
| 4001 | hasRHS(ignoringImplicit(declRefExpr( |
| 4002 | to(varDecl(hasName("F2" )))))))), |
| 4003 | true, {"-std=c++20" })); |
| 4004 | EXPECT_TRUE(matchesConditionally( |
| 4005 | Code, |
| 4006 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 4007 | binaryOperation( |
| 4008 | hasOperatorName("!=" ), hasAnyOperatorName("<" , "!=" ), |
| 4009 | isComparisonOperator(), |
| 4010 | hasLHS(declRefExpr(to(varDecl(hasName("s1" ))))), |
| 4011 | hasRHS(declRefExpr(to(varDecl(hasName("s2" ))))), |
| 4012 | hasEitherOperand(declRefExpr(to(varDecl(hasName("s2" ))))), |
| 4013 | hasOperands(declRefExpr(to(varDecl(hasName("s1" )))), |
| 4014 | declRefExpr(to(varDecl(hasName("s2" ))))))), |
| 4015 | true, {"-std=c++20" })); |
| 4016 | EXPECT_TRUE(matchesConditionally( |
| 4017 | Code, |
| 4018 | traverse( |
| 4019 | TK_IgnoreUnlessSpelledInSource, |
| 4020 | binaryOperation(hasOperatorName("!=" ), |
| 4021 | hasLHS(declRefExpr(to(varDecl(hasName("i1" ))))), |
| 4022 | hasRHS(declRefExpr(to(varDecl(hasName("i2" ))))))), |
| 4023 | true, {"-std=c++20" })); |
| 4024 | EXPECT_TRUE(matchesConditionally( |
| 4025 | Code, |
| 4026 | traverse( |
| 4027 | TK_IgnoreUnlessSpelledInSource, |
| 4028 | binaryOperation(hasOperatorName("==" ), |
| 4029 | hasLHS(declRefExpr(to(varDecl(hasName("M1" ))))), |
| 4030 | hasRHS(declRefExpr(to(varDecl(hasName("M2" ))))))), |
| 4031 | true, {"-std=c++20" })); |
| 4032 | EXPECT_TRUE(matchesConditionally( |
| 4033 | Code, |
| 4034 | traverse( |
| 4035 | TK_IgnoreUnlessSpelledInSource, |
| 4036 | binaryOperation(hasOperatorName("==" ), |
| 4037 | hasLHS(declRefExpr(to(varDecl(hasName("F1" ))))), |
| 4038 | hasRHS(declRefExpr(to(varDecl(hasName("F2" ))))))), |
| 4039 | true, {"-std=c++20" })); |
| 4040 | } |
| 4041 | } |
| 4042 | |
| 4043 | TEST(IgnoringImpCasts, PathologicalLambda) { |
| 4044 | |
| 4045 | // Test that deeply nested lambdas are not a performance penalty |
| 4046 | StringRef Code = R"cpp( |
| 4047 | void f() { |
| 4048 | [] { |
| 4049 | [] { |
| 4050 | [] { |
| 4051 | [] { |
| 4052 | [] { |
| 4053 | [] { |
| 4054 | [] { |
| 4055 | [] { |
| 4056 | [] { |
| 4057 | [] { |
| 4058 | [] { |
| 4059 | [] { |
| 4060 | [] { |
| 4061 | [] { |
| 4062 | [] { |
| 4063 | [] { |
| 4064 | [] { |
| 4065 | [] { |
| 4066 | [] { |
| 4067 | [] { |
| 4068 | [] { |
| 4069 | [] { |
| 4070 | [] { |
| 4071 | [] { |
| 4072 | [] { |
| 4073 | [] { |
| 4074 | [] { |
| 4075 | [] { |
| 4076 | [] { |
| 4077 | int i = 42; |
| 4078 | (void)i; |
| 4079 | }(); |
| 4080 | }(); |
| 4081 | }(); |
| 4082 | }(); |
| 4083 | }(); |
| 4084 | }(); |
| 4085 | }(); |
| 4086 | }(); |
| 4087 | }(); |
| 4088 | }(); |
| 4089 | }(); |
| 4090 | }(); |
| 4091 | }(); |
| 4092 | }(); |
| 4093 | }(); |
| 4094 | }(); |
| 4095 | }(); |
| 4096 | }(); |
| 4097 | }(); |
| 4098 | }(); |
| 4099 | }(); |
| 4100 | }(); |
| 4101 | }(); |
| 4102 | }(); |
| 4103 | }(); |
| 4104 | }(); |
| 4105 | }(); |
| 4106 | }(); |
| 4107 | }(); |
| 4108 | } |
| 4109 | )cpp" ; |
| 4110 | |
| 4111 | EXPECT_TRUE(matches(Code, integerLiteral(equals(42)))); |
| 4112 | EXPECT_TRUE(matches(Code, functionDecl(hasDescendant(integerLiteral(equals(42)))))); |
| 4113 | } |
| 4114 | |
| 4115 | TEST(IgnoringImpCasts, MatchesImpCasts) { |
| 4116 | // This test checks that ignoringImpCasts matches when implicit casts are |
| 4117 | // present and its inner matcher alone does not match. |
| 4118 | // Note that this test creates an implicit const cast. |
| 4119 | EXPECT_TRUE(matches("int x = 0; const int y = x;" , |
| 4120 | varDecl(hasInitializer(ignoringImpCasts( |
| 4121 | declRefExpr(to(varDecl(hasName("x" ))))))))); |
| 4122 | // This test creates an implict cast from int to char. |
| 4123 | EXPECT_TRUE(matches("char x = 0;" , |
| 4124 | varDecl(hasInitializer(ignoringImpCasts( |
| 4125 | integerLiteral(equals(0))))))); |
| 4126 | } |
| 4127 | |
| 4128 | TEST(IgnoringImpCasts, DoesNotMatchIncorrectly) { |
| 4129 | // These tests verify that ignoringImpCasts does not match if the inner |
| 4130 | // matcher does not match. |
| 4131 | // Note that the first test creates an implicit const cast. |
| 4132 | EXPECT_TRUE(notMatches("int x; const int y = x;" , |
| 4133 | varDecl(hasInitializer(ignoringImpCasts( |
| 4134 | unless(anything())))))); |
| 4135 | EXPECT_TRUE(notMatches("int x; int y = x;" , |
| 4136 | varDecl(hasInitializer(ignoringImpCasts( |
| 4137 | unless(anything())))))); |
| 4138 | |
| 4139 | // These tests verify that ignoringImplictCasts does not look through explicit |
| 4140 | // casts or parentheses. |
| 4141 | EXPECT_TRUE(notMatches("char* p = static_cast<char*>(0);" , |
| 4142 | varDecl(hasInitializer(ignoringImpCasts( |
| 4143 | integerLiteral()))))); |
| 4144 | EXPECT_TRUE(notMatches( |
| 4145 | "int i = (0);" , |
| 4146 | traverse(TK_AsIs, |
| 4147 | varDecl(hasInitializer(ignoringImpCasts(integerLiteral())))))); |
| 4148 | EXPECT_TRUE(notMatches("float i = (float)0;" , |
| 4149 | varDecl(hasInitializer(ignoringImpCasts( |
| 4150 | integerLiteral()))))); |
| 4151 | EXPECT_TRUE(notMatches("float i = float(0);" , |
| 4152 | varDecl(hasInitializer(ignoringImpCasts( |
| 4153 | integerLiteral()))))); |
| 4154 | } |
| 4155 | |
| 4156 | TEST(IgnoringImpCasts, MatchesWithoutImpCasts) { |
| 4157 | // This test verifies that expressions that do not have implicit casts |
| 4158 | // still match the inner matcher. |
| 4159 | EXPECT_TRUE(matches("int x = 0; int &y = x;" , |
| 4160 | varDecl(hasInitializer(ignoringImpCasts( |
| 4161 | declRefExpr(to(varDecl(hasName("x" ))))))))); |
| 4162 | } |
| 4163 | |
| 4164 | TEST(IgnoringParenCasts, MatchesParenCasts) { |
| 4165 | // This test checks that ignoringParenCasts matches when parentheses and/or |
| 4166 | // casts are present and its inner matcher alone does not match. |
| 4167 | EXPECT_TRUE(matches("int x = (0);" , |
| 4168 | varDecl(hasInitializer(ignoringParenCasts( |
| 4169 | integerLiteral(equals(0))))))); |
| 4170 | EXPECT_TRUE(matches("int x = (((((0)))));" , |
| 4171 | varDecl(hasInitializer(ignoringParenCasts( |
| 4172 | integerLiteral(equals(0))))))); |
| 4173 | |
| 4174 | // This test creates an implict cast from int to char in addition to the |
| 4175 | // parentheses. |
| 4176 | EXPECT_TRUE(matches("char x = (0);" , |
| 4177 | varDecl(hasInitializer(ignoringParenCasts( |
| 4178 | integerLiteral(equals(0))))))); |
| 4179 | |
| 4180 | EXPECT_TRUE(matches("char x = (char)0;" , |
| 4181 | varDecl(hasInitializer(ignoringParenCasts( |
| 4182 | integerLiteral(equals(0))))))); |
| 4183 | EXPECT_TRUE(matches("char* p = static_cast<char*>(0);" , |
| 4184 | varDecl(hasInitializer(ignoringParenCasts( |
| 4185 | integerLiteral(equals(0))))))); |
| 4186 | } |
| 4187 | |
| 4188 | TEST(IgnoringParenCasts, MatchesWithoutParenCasts) { |
| 4189 | // This test verifies that expressions that do not have any casts still match. |
| 4190 | EXPECT_TRUE(matches("int x = 0;" , |
| 4191 | varDecl(hasInitializer(ignoringParenCasts( |
| 4192 | integerLiteral(equals(0))))))); |
| 4193 | } |
| 4194 | |
| 4195 | TEST(IgnoringParenCasts, DoesNotMatchIncorrectly) { |
| 4196 | // These tests verify that ignoringImpCasts does not match if the inner |
| 4197 | // matcher does not match. |
| 4198 | EXPECT_TRUE(notMatches("int x = ((0));" , |
| 4199 | varDecl(hasInitializer(ignoringParenCasts( |
| 4200 | unless(anything())))))); |
| 4201 | |
| 4202 | // This test creates an implicit cast from int to char in addition to the |
| 4203 | // parentheses. |
| 4204 | EXPECT_TRUE(notMatches("char x = ((0));" , |
| 4205 | varDecl(hasInitializer(ignoringParenCasts( |
| 4206 | unless(anything())))))); |
| 4207 | |
| 4208 | EXPECT_TRUE(notMatches("char *x = static_cast<char *>((0));" , |
| 4209 | varDecl(hasInitializer(ignoringParenCasts( |
| 4210 | unless(anything())))))); |
| 4211 | } |
| 4212 | |
| 4213 | TEST(IgnoringParenAndImpCasts, MatchesParenImpCasts) { |
| 4214 | // This test checks that ignoringParenAndImpCasts matches when |
| 4215 | // parentheses and/or implicit casts are present and its inner matcher alone |
| 4216 | // does not match. |
| 4217 | // Note that this test creates an implicit const cast. |
| 4218 | EXPECT_TRUE(matches("int x = 0; const int y = x;" , |
| 4219 | varDecl(hasInitializer(ignoringParenImpCasts( |
| 4220 | declRefExpr(to(varDecl(hasName("x" ))))))))); |
| 4221 | // This test creates an implicit cast from int to char. |
| 4222 | EXPECT_TRUE(matches("const char x = (0);" , |
| 4223 | varDecl(hasInitializer(ignoringParenImpCasts( |
| 4224 | integerLiteral(equals(0))))))); |
| 4225 | } |
| 4226 | |
| 4227 | TEST(IgnoringParenAndImpCasts, MatchesWithoutParenImpCasts) { |
| 4228 | // This test verifies that expressions that do not have parentheses or |
| 4229 | // implicit casts still match. |
| 4230 | EXPECT_TRUE(matches("int x = 0; int &y = x;" , |
| 4231 | varDecl(hasInitializer(ignoringParenImpCasts( |
| 4232 | declRefExpr(to(varDecl(hasName("x" ))))))))); |
| 4233 | EXPECT_TRUE(matches("int x = 0;" , |
| 4234 | varDecl(hasInitializer(ignoringParenImpCasts( |
| 4235 | integerLiteral(equals(0))))))); |
| 4236 | } |
| 4237 | |
| 4238 | TEST(IgnoringParenAndImpCasts, DoesNotMatchIncorrectly) { |
| 4239 | // These tests verify that ignoringParenImpCasts does not match if |
| 4240 | // the inner matcher does not match. |
| 4241 | // This test creates an implicit cast. |
| 4242 | EXPECT_TRUE(notMatches("char c = ((3));" , |
| 4243 | varDecl(hasInitializer(ignoringParenImpCasts( |
| 4244 | unless(anything())))))); |
| 4245 | // These tests verify that ignoringParenAndImplictCasts does not look |
| 4246 | // through explicit casts. |
| 4247 | EXPECT_TRUE(notMatches("float y = (float(0));" , |
| 4248 | varDecl(hasInitializer(ignoringParenImpCasts( |
| 4249 | integerLiteral()))))); |
| 4250 | EXPECT_TRUE(notMatches("float y = (float)0;" , |
| 4251 | varDecl(hasInitializer(ignoringParenImpCasts( |
| 4252 | integerLiteral()))))); |
| 4253 | EXPECT_TRUE(notMatches("char* p = static_cast<char*>(0);" , |
| 4254 | varDecl(hasInitializer(ignoringParenImpCasts( |
| 4255 | integerLiteral()))))); |
| 4256 | } |
| 4257 | |
| 4258 | TEST(HasSourceExpression, MatchesImplicitCasts) { |
| 4259 | EXPECT_TRUE(matches("class string {}; class URL { public: URL(string s); };" |
| 4260 | "void r() {string a_string; URL url = a_string; }" , |
| 4261 | traverse(TK_AsIs, implicitCastExpr(hasSourceExpression( |
| 4262 | cxxConstructExpr()))))); |
| 4263 | } |
| 4264 | |
| 4265 | TEST(HasSourceExpression, MatchesExplicitCasts) { |
| 4266 | EXPECT_TRUE( |
| 4267 | matches("float x = static_cast<float>(42);" , |
| 4268 | traverse(TK_AsIs, explicitCastExpr(hasSourceExpression( |
| 4269 | hasDescendant(expr(integerLiteral()))))))); |
| 4270 | } |
| 4271 | |
| 4272 | TEST(UsingDeclaration, MatchesSpecificTarget) { |
| 4273 | EXPECT_TRUE(matches("namespace f { int a; void b(); } using f::b;" , |
| 4274 | usingDecl(hasAnyUsingShadowDecl( |
| 4275 | hasTargetDecl(functionDecl()))))); |
| 4276 | EXPECT_TRUE(notMatches("namespace f { int a; void b(); } using f::a;" , |
| 4277 | usingDecl(hasAnyUsingShadowDecl( |
| 4278 | hasTargetDecl(functionDecl()))))); |
| 4279 | } |
| 4280 | |
| 4281 | TEST(UsingDeclaration, ThroughUsingDeclaration) { |
| 4282 | EXPECT_TRUE(matches( |
| 4283 | "namespace a { void f(); } using a::f; void g() { f(); }" , |
| 4284 | declRefExpr(throughUsingDecl(anything())))); |
| 4285 | EXPECT_TRUE(notMatches( |
| 4286 | "namespace a { void f(); } using a::f; void g() { a::f(); }" , |
| 4287 | declRefExpr(throughUsingDecl(anything())))); |
| 4288 | } |
| 4289 | |
| 4290 | TEST(SingleDecl, IsSingleDecl) { |
| 4291 | StatementMatcher SingleDeclStmt = |
| 4292 | declStmt(hasSingleDecl(varDecl(hasInitializer(anything())))); |
| 4293 | EXPECT_TRUE(matches("void f() {int a = 4;}" , SingleDeclStmt)); |
| 4294 | EXPECT_TRUE(notMatches("void f() {int a;}" , SingleDeclStmt)); |
| 4295 | EXPECT_TRUE(notMatches("void f() {int a = 4, b = 3;}" , |
| 4296 | SingleDeclStmt)); |
| 4297 | } |
| 4298 | |
| 4299 | TEST(DeclStmt, ContainsDeclaration) { |
| 4300 | DeclarationMatcher MatchesInit = varDecl(hasInitializer(anything())); |
| 4301 | |
| 4302 | EXPECT_TRUE(matches("void f() {int a = 4;}" , |
| 4303 | declStmt(containsDeclaration(0, MatchesInit)))); |
| 4304 | EXPECT_TRUE(matches("void f() {int a = 4, b = 3;}" , |
| 4305 | declStmt(containsDeclaration(0, MatchesInit), |
| 4306 | containsDeclaration(1, MatchesInit)))); |
| 4307 | unsigned WrongIndex = 42; |
| 4308 | EXPECT_TRUE(notMatches("void f() {int a = 4, b = 3;}" , |
| 4309 | declStmt(containsDeclaration(WrongIndex, |
| 4310 | MatchesInit)))); |
| 4311 | } |
| 4312 | |
| 4313 | TEST(SwitchCase, MatchesEachCase) { |
| 4314 | EXPECT_TRUE(notMatches("void x() { switch(42); }" , |
| 4315 | switchStmt(forEachSwitchCase(caseStmt())))); |
| 4316 | EXPECT_TRUE(matches("void x() { switch(42) case 42:; }" , |
| 4317 | switchStmt(forEachSwitchCase(caseStmt())))); |
| 4318 | EXPECT_TRUE(matches("void x() { switch(42) { case 42:; } }" , |
| 4319 | switchStmt(forEachSwitchCase(caseStmt())))); |
| 4320 | EXPECT_TRUE(notMatches( |
| 4321 | "void x() { if (1) switch(42) { case 42: switch (42) { default:; } } }" , |
| 4322 | ifStmt(has(switchStmt(forEachSwitchCase(defaultStmt())))))); |
| 4323 | EXPECT_TRUE(matches( |
| 4324 | "void x() { switch(42) { case 1+1: case 4:; } }" , |
| 4325 | traverse(TK_AsIs, switchStmt(forEachSwitchCase(caseStmt(hasCaseConstant( |
| 4326 | constantExpr(has(integerLiteral()))))))))); |
| 4327 | EXPECT_TRUE(notMatches( |
| 4328 | "void x() { switch(42) { case 1+1: case 2+2:; } }" , |
| 4329 | traverse(TK_AsIs, switchStmt(forEachSwitchCase(caseStmt(hasCaseConstant( |
| 4330 | constantExpr(has(integerLiteral()))))))))); |
| 4331 | EXPECT_TRUE(notMatches( |
| 4332 | "void x() { switch(42) { case 1 ... 2:; } }" , |
| 4333 | traverse(TK_AsIs, switchStmt(forEachSwitchCase(caseStmt(hasCaseConstant( |
| 4334 | constantExpr(has(integerLiteral()))))))))); |
| 4335 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4336 | "void x() { switch (42) { case 1: case 2: case 3: default:; } }" , |
| 4337 | switchStmt(forEachSwitchCase(caseStmt().bind("x" ))), |
| 4338 | std::make_unique<VerifyIdIsBoundTo<CaseStmt>>("x" , 3))); |
| 4339 | } |
| 4340 | |
| 4341 | TEST(Declaration, HasExplicitSpecifier) { |
| 4342 | |
| 4343 | EXPECT_TRUE(notMatches("void f();" , |
| 4344 | functionDecl(hasExplicitSpecifier(constantExpr())), |
| 4345 | langCxx20OrLater())); |
| 4346 | EXPECT_TRUE( |
| 4347 | notMatches("template<bool b> struct S { explicit operator int(); };" , |
| 4348 | cxxConversionDecl( |
| 4349 | hasExplicitSpecifier(constantExpr(has(cxxBoolLiteral())))), |
| 4350 | langCxx20OrLater())); |
| 4351 | EXPECT_TRUE( |
| 4352 | notMatches("template<bool b> struct S { explicit(b) operator int(); };" , |
| 4353 | cxxConversionDecl( |
| 4354 | hasExplicitSpecifier(constantExpr(has(cxxBoolLiteral())))), |
| 4355 | langCxx20OrLater())); |
| 4356 | EXPECT_TRUE( |
| 4357 | matches("struct S { explicit(true) operator int(); };" , |
| 4358 | traverse(TK_AsIs, cxxConversionDecl(hasExplicitSpecifier( |
| 4359 | constantExpr(has(cxxBoolLiteral()))))), |
| 4360 | langCxx20OrLater())); |
| 4361 | EXPECT_TRUE( |
| 4362 | matches("struct S { explicit(false) operator int(); };" , |
| 4363 | traverse(TK_AsIs, cxxConversionDecl(hasExplicitSpecifier( |
| 4364 | constantExpr(has(cxxBoolLiteral()))))), |
| 4365 | langCxx20OrLater())); |
| 4366 | EXPECT_TRUE( |
| 4367 | notMatches("template<bool b> struct S { explicit(b) S(int); };" , |
| 4368 | traverse(TK_AsIs, cxxConstructorDecl(hasExplicitSpecifier( |
| 4369 | constantExpr(has(cxxBoolLiteral()))))), |
| 4370 | langCxx20OrLater())); |
| 4371 | EXPECT_TRUE( |
| 4372 | matches("struct S { explicit(true) S(int); };" , |
| 4373 | traverse(TK_AsIs, cxxConstructorDecl(hasExplicitSpecifier( |
| 4374 | constantExpr(has(cxxBoolLiteral()))))), |
| 4375 | langCxx20OrLater())); |
| 4376 | EXPECT_TRUE( |
| 4377 | matches("struct S { explicit(false) S(int); };" , |
| 4378 | traverse(TK_AsIs, cxxConstructorDecl(hasExplicitSpecifier( |
| 4379 | constantExpr(has(cxxBoolLiteral()))))), |
| 4380 | langCxx20OrLater())); |
| 4381 | EXPECT_TRUE( |
| 4382 | notMatches("template<typename T> struct S { S(int); };" |
| 4383 | "template<bool b = true> explicit(b) S(int) -> S<int>;" , |
| 4384 | traverse(TK_AsIs, cxxDeductionGuideDecl(hasExplicitSpecifier( |
| 4385 | constantExpr(has(cxxBoolLiteral()))))), |
| 4386 | langCxx20OrLater())); |
| 4387 | EXPECT_TRUE( |
| 4388 | matches("template<typename T> struct S { S(int); };" |
| 4389 | "explicit(true) S(int) -> S<int>;" , |
| 4390 | traverse(TK_AsIs, cxxDeductionGuideDecl(hasExplicitSpecifier( |
| 4391 | constantExpr(has(cxxBoolLiteral()))))), |
| 4392 | langCxx20OrLater())); |
| 4393 | EXPECT_TRUE( |
| 4394 | matches("template<typename T> struct S { S(int); };" |
| 4395 | "explicit(false) S(int) -> S<int>;" , |
| 4396 | traverse(TK_AsIs, cxxDeductionGuideDecl(hasExplicitSpecifier( |
| 4397 | constantExpr(has(cxxBoolLiteral()))))), |
| 4398 | langCxx20OrLater())); |
| 4399 | } |
| 4400 | |
| 4401 | TEST(ForEachConstructorInitializer, MatchesInitializers) { |
| 4402 | EXPECT_TRUE(matches( |
| 4403 | "struct X { X() : i(42), j(42) {} int i, j; };" , |
| 4404 | cxxConstructorDecl(forEachConstructorInitializer(cxxCtorInitializer())))); |
| 4405 | } |
| 4406 | |
| 4407 | TEST(HasConditionVariableStatement, DoesNotMatchCondition) { |
| 4408 | EXPECT_TRUE(notMatches( |
| 4409 | "void x() { if(true) {} }" , |
| 4410 | ifStmt(hasConditionVariableStatement(declStmt())))); |
| 4411 | EXPECT_TRUE(notMatches( |
| 4412 | "void x() { int x; if((x = 42)) {} }" , |
| 4413 | ifStmt(hasConditionVariableStatement(declStmt())))); |
| 4414 | } |
| 4415 | |
| 4416 | TEST(HasConditionVariableStatement, MatchesConditionVariables) { |
| 4417 | EXPECT_TRUE(matches( |
| 4418 | "void x() { if(int* a = 0) {} }" , |
| 4419 | ifStmt(hasConditionVariableStatement(declStmt())))); |
| 4420 | } |
| 4421 | |
| 4422 | TEST(ForEach, BindsOneNode) { |
| 4423 | EXPECT_TRUE(matchAndVerifyResultTrue("class C { int x; };" , |
| 4424 | recordDecl(hasName("C" ), forEach(fieldDecl(hasName("x" )).bind("x" ))), |
| 4425 | std::make_unique<VerifyIdIsBoundTo<FieldDecl>>("x" , 1))); |
| 4426 | } |
| 4427 | |
| 4428 | TEST(ForEach, BindsMultipleNodes) { |
| 4429 | EXPECT_TRUE(matchAndVerifyResultTrue("class C { int x; int y; int z; };" , |
| 4430 | recordDecl(hasName("C" ), forEach(fieldDecl().bind("f" ))), |
| 4431 | std::make_unique<VerifyIdIsBoundTo<FieldDecl>>("f" , 3))); |
| 4432 | } |
| 4433 | |
| 4434 | TEST(ForEach, BindsRecursiveCombinations) { |
| 4435 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4436 | "class C { class D { int x; int y; }; class E { int y; int z; }; };" , |
| 4437 | recordDecl(hasName("C" ), |
| 4438 | forEach(recordDecl(forEach(fieldDecl().bind("f" ))))), |
| 4439 | std::make_unique<VerifyIdIsBoundTo<FieldDecl>>("f" , 4))); |
| 4440 | } |
| 4441 | |
| 4442 | TEST(ForEach, DoesNotIgnoreImplicit) { |
| 4443 | StringRef Code = R"cpp( |
| 4444 | void foo() |
| 4445 | { |
| 4446 | int i = 0; |
| 4447 | int b = 4; |
| 4448 | i < b; |
| 4449 | } |
| 4450 | )cpp" ; |
| 4451 | EXPECT_TRUE(matchAndVerifyResultFalse( |
| 4452 | Code, binaryOperator(forEach(declRefExpr().bind("dre" ))), |
| 4453 | std::make_unique<VerifyIdIsBoundTo<DeclRefExpr>>("dre" , 0))); |
| 4454 | |
| 4455 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4456 | Code, |
| 4457 | binaryOperator(forEach( |
| 4458 | implicitCastExpr(hasSourceExpression(declRefExpr().bind("dre" ))))), |
| 4459 | std::make_unique<VerifyIdIsBoundTo<DeclRefExpr>>("dre" , 2))); |
| 4460 | |
| 4461 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4462 | Code, |
| 4463 | binaryOperator( |
| 4464 | forEach(expr(ignoringImplicit(declRefExpr().bind("dre" ))))), |
| 4465 | std::make_unique<VerifyIdIsBoundTo<DeclRefExpr>>("dre" , 2))); |
| 4466 | |
| 4467 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4468 | Code, |
| 4469 | traverse(TK_IgnoreUnlessSpelledInSource, |
| 4470 | binaryOperator(forEach(declRefExpr().bind("dre" )))), |
| 4471 | std::make_unique<VerifyIdIsBoundTo<DeclRefExpr>>("dre" , 2))); |
| 4472 | } |
| 4473 | |
| 4474 | TEST(ForEachDescendant, BindsOneNode) { |
| 4475 | EXPECT_TRUE(matchAndVerifyResultTrue("class C { class D { int x; }; };" , |
| 4476 | recordDecl(hasName("C" ), |
| 4477 | forEachDescendant(fieldDecl(hasName("x" )).bind("x" ))), |
| 4478 | std::make_unique<VerifyIdIsBoundTo<FieldDecl>>("x" , 1))); |
| 4479 | } |
| 4480 | |
| 4481 | TEST(ForEachDescendant, NestedForEachDescendant) { |
| 4482 | DeclarationMatcher m = recordDecl( |
| 4483 | isDefinition(), decl().bind("x" ), hasName("C" )); |
| 4484 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4485 | "class A { class B { class C {}; }; };" , |
| 4486 | recordDecl(hasName("A" ), anyOf(m, forEachDescendant(m))), |
| 4487 | std::make_unique<VerifyIdIsBoundTo<Decl>>("x" , "C" ))); |
| 4488 | |
| 4489 | // Check that a partial match of 'm' that binds 'x' in the |
| 4490 | // first part of anyOf(m, anything()) will not overwrite the |
| 4491 | // binding created by the earlier binding in the hasDescendant. |
| 4492 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4493 | "class A { class B { class C {}; }; };" , |
| 4494 | recordDecl(hasName("A" ), allOf(hasDescendant(m), anyOf(m, anything()))), |
| 4495 | std::make_unique<VerifyIdIsBoundTo<Decl>>("x" , "C" ))); |
| 4496 | } |
| 4497 | |
| 4498 | TEST(ForEachDescendant, BindsMultipleNodes) { |
| 4499 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4500 | "class C { class D { int x; int y; }; " |
| 4501 | " class E { class F { int y; int z; }; }; };" , |
| 4502 | recordDecl(hasName("C" ), forEachDescendant(fieldDecl().bind("f" ))), |
| 4503 | std::make_unique<VerifyIdIsBoundTo<FieldDecl>>("f" , 4))); |
| 4504 | } |
| 4505 | |
| 4506 | TEST(ForEachDescendant, BindsRecursiveCombinations) { |
| 4507 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4508 | "class C { class D { " |
| 4509 | " class E { class F { class G { int y; int z; }; }; }; }; };" , |
| 4510 | recordDecl(hasName("C" ), forEachDescendant(recordDecl( |
| 4511 | forEachDescendant(fieldDecl().bind("f" ))))), |
| 4512 | std::make_unique<VerifyIdIsBoundTo<FieldDecl>>("f" , 8))); |
| 4513 | } |
| 4514 | |
| 4515 | TEST(ForEachDescendant, BindsCombinations) { |
| 4516 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4517 | "void f() { if(true) {} if (true) {} while (true) {} if (true) {} while " |
| 4518 | "(true) {} }" , |
| 4519 | compoundStmt(forEachDescendant(ifStmt().bind("if" )), |
| 4520 | forEachDescendant(whileStmt().bind("while" ))), |
| 4521 | std::make_unique<VerifyIdIsBoundTo<IfStmt>>("if" , 6))); |
| 4522 | } |
| 4523 | |
| 4524 | TEST(Has, DoesNotDeleteBindings) { |
| 4525 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4526 | "class X { int a; };" , recordDecl(decl().bind("x" ), has(fieldDecl())), |
| 4527 | std::make_unique<VerifyIdIsBoundTo<Decl>>("x" , 1))); |
| 4528 | } |
| 4529 | |
| 4530 | TEST(TemplateArgumentLoc, Matches) { |
| 4531 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4532 | R"cpp( |
| 4533 | template <typename A, int B, template <typename> class C> class X {}; |
| 4534 | class A {}; |
| 4535 | const int B = 42; |
| 4536 | template <typename> class C {}; |
| 4537 | X<A, B, C> x; |
| 4538 | )cpp" , |
| 4539 | templateArgumentLoc().bind("x" ), |
| 4540 | std::make_unique<VerifyIdIsBoundTo<TemplateArgumentLoc>>("x" , 3))); |
| 4541 | } |
| 4542 | |
| 4543 | TEST(LoopingMatchers, DoNotOverwritePreviousMatchResultOnFailure) { |
| 4544 | // Those matchers cover all the cases where an inner matcher is called |
| 4545 | // and there is not a 1:1 relationship between the match of the outer |
| 4546 | // matcher and the match of the inner matcher. |
| 4547 | // The pattern to look for is: |
| 4548 | // ... return InnerMatcher.matches(...); ... |
| 4549 | // In which case no special handling is needed. |
| 4550 | // |
| 4551 | // On the other hand, if there are multiple alternative matches |
| 4552 | // (for example forEach*) or matches might be discarded (for example has*) |
| 4553 | // the implementation must make sure that the discarded matches do not |
| 4554 | // affect the bindings. |
| 4555 | // When new such matchers are added, add a test here that: |
| 4556 | // - matches a simple node, and binds it as the first thing in the matcher: |
| 4557 | // recordDecl(decl().bind("x"), hasName("X"))) |
| 4558 | // - uses the matcher under test afterwards in a way that not the first |
| 4559 | // alternative is matched; for anyOf, that means the first branch |
| 4560 | // would need to return false; for hasAncestor, it means that not |
| 4561 | // the direct parent matches the inner matcher. |
| 4562 | |
| 4563 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4564 | "class X { int y; };" , |
| 4565 | recordDecl( |
| 4566 | recordDecl().bind("x" ), hasName("::X" ), |
| 4567 | anyOf(forEachDescendant(recordDecl(hasName("Y" ))), anything())), |
| 4568 | std::make_unique<VerifyIdIsBoundTo<CXXRecordDecl>>("x" , 1))); |
| 4569 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4570 | "class X {};" , recordDecl(recordDecl().bind("x" ), hasName("::X" ), |
| 4571 | anyOf(unless(anything()), anything())), |
| 4572 | std::make_unique<VerifyIdIsBoundTo<CXXRecordDecl>>("x" , 1))); |
| 4573 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4574 | "template<typename T1, typename T2> class X {}; X<float, int> x;" , |
| 4575 | classTemplateSpecializationDecl( |
| 4576 | decl().bind("x" ), |
| 4577 | hasAnyTemplateArgument(refersToType(asString("int" )))), |
| 4578 | std::make_unique<VerifyIdIsBoundTo<Decl>>("x" , 1))); |
| 4579 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4580 | "class X { void f(); void g(); };" , |
| 4581 | cxxRecordDecl(decl().bind("x" ), hasMethod(hasName("g" ))), |
| 4582 | std::make_unique<VerifyIdIsBoundTo<Decl>>("x" , 1))); |
| 4583 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4584 | "class X { X() : a(1), b(2) {} double a; int b; };" , |
| 4585 | recordDecl(decl().bind("x" ), |
| 4586 | has(cxxConstructorDecl( |
| 4587 | hasAnyConstructorInitializer(forField(hasName("b" )))))), |
| 4588 | std::make_unique<VerifyIdIsBoundTo<Decl>>("x" , 1))); |
| 4589 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4590 | "void x(int, int) { x(0, 42); }" , |
| 4591 | callExpr(expr().bind("x" ), hasAnyArgument(integerLiteral(equals(42)))), |
| 4592 | std::make_unique<VerifyIdIsBoundTo<Expr>>("x" , 1))); |
| 4593 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4594 | "void x(int, int y) {}" , |
| 4595 | functionDecl(decl().bind("x" ), hasAnyParameter(hasName("y" ))), |
| 4596 | std::make_unique<VerifyIdIsBoundTo<Decl>>("x" , 1))); |
| 4597 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4598 | "void x() { return; if (true) {} }" , |
| 4599 | functionDecl(decl().bind("x" ), |
| 4600 | has(compoundStmt(hasAnySubstatement(ifStmt())))), |
| 4601 | std::make_unique<VerifyIdIsBoundTo<Decl>>("x" , 1))); |
| 4602 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4603 | "namespace X { void b(int); void b(); }" |
| 4604 | "using X::b;" , |
| 4605 | usingDecl(decl().bind("x" ), hasAnyUsingShadowDecl(hasTargetDecl( |
| 4606 | functionDecl(parameterCountIs(1))))), |
| 4607 | std::make_unique<VerifyIdIsBoundTo<Decl>>("x" , 1))); |
| 4608 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4609 | "class A{}; class B{}; class C : B, A {};" , |
| 4610 | cxxRecordDecl(decl().bind("x" ), isDerivedFrom("::A" )), |
| 4611 | std::make_unique<VerifyIdIsBoundTo<Decl>>("x" , 1))); |
| 4612 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4613 | "class A{}; typedef A B; typedef A C; typedef A D;" |
| 4614 | "class E : A {};" , |
| 4615 | cxxRecordDecl(decl().bind("x" ), isDerivedFrom("C" )), |
| 4616 | std::make_unique<VerifyIdIsBoundTo<Decl>>("x" , 1))); |
| 4617 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4618 | "class A { class B { void f() {} }; };" , |
| 4619 | functionDecl(decl().bind("x" ), hasAncestor(recordDecl(hasName("::A" )))), |
| 4620 | std::make_unique<VerifyIdIsBoundTo<Decl>>("x" , 1))); |
| 4621 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4622 | "template <typename T> struct A { struct B {" |
| 4623 | " void f() { if(true) {} }" |
| 4624 | "}; };" |
| 4625 | "void t() { A<int>::B b; b.f(); }" , |
| 4626 | ifStmt(stmt().bind("x" ), hasAncestor(recordDecl(hasName("::A" )))), |
| 4627 | std::make_unique<VerifyIdIsBoundTo<Stmt>>("x" , 2))); |
| 4628 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4629 | "class A {};" , |
| 4630 | recordDecl(hasName("::A" ), decl().bind("x" ), unless(hasName("fooble" ))), |
| 4631 | std::make_unique<VerifyIdIsBoundTo<Decl>>("x" , 1))); |
| 4632 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4633 | "class A { A() : s(), i(42) {} const char *s; int i; };" , |
| 4634 | cxxConstructorDecl(hasName("::A::A" ), decl().bind("x" ), |
| 4635 | forEachConstructorInitializer(forField(hasName("i" )))), |
| 4636 | std::make_unique<VerifyIdIsBoundTo<Decl>>("x" , 1))); |
| 4637 | } |
| 4638 | |
| 4639 | TEST(ForEachDescendant, BindsCorrectNodes) { |
| 4640 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4641 | "class C { void f(); int i; };" , |
| 4642 | recordDecl(hasName("C" ), forEachDescendant(decl().bind("decl" ))), |
| 4643 | std::make_unique<VerifyIdIsBoundTo<FieldDecl>>("decl" , 1))); |
| 4644 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4645 | "class C { void f() {} int i; };" , |
| 4646 | recordDecl(hasName("C" ), forEachDescendant(decl().bind("decl" ))), |
| 4647 | std::make_unique<VerifyIdIsBoundTo<FunctionDecl>>("decl" , 1))); |
| 4648 | } |
| 4649 | |
| 4650 | TEST(FindAll, BindsNodeOnMatch) { |
| 4651 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4652 | "class A {};" , |
| 4653 | recordDecl(hasName("::A" ), findAll(recordDecl(hasName("::A" )).bind("v" ))), |
| 4654 | std::make_unique<VerifyIdIsBoundTo<CXXRecordDecl>>("v" , 1))); |
| 4655 | } |
| 4656 | |
| 4657 | TEST(FindAll, BindsDescendantNodeOnMatch) { |
| 4658 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4659 | "class A { int a; int b; };" , |
| 4660 | recordDecl(hasName("::A" ), findAll(fieldDecl().bind("v" ))), |
| 4661 | std::make_unique<VerifyIdIsBoundTo<FieldDecl>>("v" , 2))); |
| 4662 | } |
| 4663 | |
| 4664 | TEST(FindAll, BindsNodeAndDescendantNodesOnOneMatch) { |
| 4665 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4666 | "class A { int a; int b; };" , |
| 4667 | recordDecl(hasName("::A" ), |
| 4668 | findAll(decl(anyOf(recordDecl(hasName("::A" )).bind("v" ), |
| 4669 | fieldDecl().bind("v" ))))), |
| 4670 | std::make_unique<VerifyIdIsBoundTo<Decl>>("v" , 3))); |
| 4671 | |
| 4672 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4673 | "class A { class B {}; class C {}; };" , |
| 4674 | recordDecl(hasName("::A" ), findAll(recordDecl(isDefinition()).bind("v" ))), |
| 4675 | std::make_unique<VerifyIdIsBoundTo<CXXRecordDecl>>("v" , 3))); |
| 4676 | } |
| 4677 | |
| 4678 | TEST(HasAncenstor, MatchesDeclarationAncestors) { |
| 4679 | EXPECT_TRUE(matches( |
| 4680 | "class A { class B { class C {}; }; };" , |
| 4681 | recordDecl(hasName("C" ), hasAncestor(recordDecl(hasName("A" )))))); |
| 4682 | } |
| 4683 | |
| 4684 | TEST(HasAncenstor, FailsIfNoAncestorMatches) { |
| 4685 | EXPECT_TRUE(notMatches( |
| 4686 | "class A { class B { class C {}; }; };" , |
| 4687 | recordDecl(hasName("C" ), hasAncestor(recordDecl(hasName("X" )))))); |
| 4688 | } |
| 4689 | |
| 4690 | TEST(HasAncestor, MatchesDeclarationsThatGetVisitedLater) { |
| 4691 | EXPECT_TRUE(matches( |
| 4692 | "class A { class B { void f() { C c; } class C {}; }; };" , |
| 4693 | varDecl(hasName("c" ), hasType(recordDecl(hasName("C" ), |
| 4694 | hasAncestor(recordDecl(hasName("A" )))))))); |
| 4695 | } |
| 4696 | |
| 4697 | TEST(HasAncenstor, MatchesStatementAncestors) { |
| 4698 | EXPECT_TRUE(matches( |
| 4699 | "void f() { if (true) { while (false) { 42; } } }" , |
| 4700 | integerLiteral(equals(42), hasAncestor(ifStmt())))); |
| 4701 | } |
| 4702 | |
| 4703 | TEST(HasAncestor, DrillsThroughDifferentHierarchies) { |
| 4704 | EXPECT_TRUE(matches( |
| 4705 | "void f() { if (true) { int x = 42; } }" , |
| 4706 | integerLiteral(equals(42), hasAncestor(functionDecl(hasName("f" )))))); |
| 4707 | } |
| 4708 | |
| 4709 | TEST(HasAncestor, BindsRecursiveCombinations) { |
| 4710 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4711 | "class C { class D { class E { class F { int y; }; }; }; };" , |
| 4712 | fieldDecl(hasAncestor(recordDecl(hasAncestor(recordDecl().bind("r" ))))), |
| 4713 | std::make_unique<VerifyIdIsBoundTo<CXXRecordDecl>>("r" , 1))); |
| 4714 | } |
| 4715 | |
| 4716 | TEST(HasAncestor, BindsCombinationsWithHasDescendant) { |
| 4717 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4718 | "class C { class D { class E { class F { int y; }; }; }; };" , |
| 4719 | fieldDecl(hasAncestor( |
| 4720 | decl( |
| 4721 | hasDescendant(recordDecl(isDefinition(), |
| 4722 | hasAncestor(recordDecl()))) |
| 4723 | ).bind("d" ) |
| 4724 | )), |
| 4725 | std::make_unique<VerifyIdIsBoundTo<CXXRecordDecl>>("d" , "E" ))); |
| 4726 | } |
| 4727 | |
| 4728 | TEST(HasAncestor, MatchesClosestAncestor) { |
| 4729 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4730 | "template <typename T> struct C {" |
| 4731 | " void f(int) {" |
| 4732 | " struct I { void g(T) { int x; } } i; i.g(42);" |
| 4733 | " }" |
| 4734 | "};" |
| 4735 | "template struct C<int>;" , |
| 4736 | varDecl(hasName("x" ), |
| 4737 | hasAncestor(functionDecl(hasParameter( |
| 4738 | 0, varDecl(hasType(asString("int" ))))).bind("f" ))).bind("v" ), |
| 4739 | std::make_unique<VerifyIdIsBoundTo<FunctionDecl>>("f" , "g" , 2))); |
| 4740 | } |
| 4741 | |
| 4742 | TEST(HasAncestor, MatchesInTemplateInstantiations) { |
| 4743 | EXPECT_TRUE(matches( |
| 4744 | "template <typename T> struct A { struct B { struct C { T t; }; }; }; " |
| 4745 | "A<int>::B::C a;" , |
| 4746 | fieldDecl(hasType(asString("int" )), |
| 4747 | hasAncestor(recordDecl(hasName("A" )))))); |
| 4748 | } |
| 4749 | |
| 4750 | TEST(HasAncestor, MatchesInImplicitCode) { |
| 4751 | EXPECT_TRUE(matches( |
| 4752 | "struct X {}; struct A { A() {} X x; };" , |
| 4753 | cxxConstructorDecl( |
| 4754 | hasAnyConstructorInitializer(withInitializer(expr( |
| 4755 | hasAncestor(recordDecl(hasName("A" ))))))))); |
| 4756 | } |
| 4757 | |
| 4758 | TEST(HasParent, MatchesOnlyParent) { |
| 4759 | EXPECT_TRUE(matches( |
| 4760 | "void f() { if (true) { int x = 42; } }" , |
| 4761 | compoundStmt(hasParent(ifStmt())))); |
| 4762 | EXPECT_TRUE(notMatches( |
| 4763 | "void f() { for (;;) { int x = 42; } }" , |
| 4764 | compoundStmt(hasParent(ifStmt())))); |
| 4765 | EXPECT_TRUE(notMatches( |
| 4766 | "void f() { if (true) for (;;) { int x = 42; } }" , |
| 4767 | compoundStmt(hasParent(ifStmt())))); |
| 4768 | } |
| 4769 | |
| 4770 | TEST(MatcherMemoize, HasParentDiffersFromHas) { |
| 4771 | // Test introduced after detecting a bug in memoization |
| 4772 | constexpr auto code = "void f() { throw 1; }" ; |
| 4773 | EXPECT_TRUE(notMatches( |
| 4774 | code, |
| 4775 | cxxThrowExpr(hasParent(expr())))); |
| 4776 | EXPECT_TRUE(matches( |
| 4777 | code, |
| 4778 | cxxThrowExpr(has(expr())))); |
| 4779 | EXPECT_TRUE(matches( |
| 4780 | code, |
| 4781 | cxxThrowExpr(anyOf(hasParent(expr()), has(expr()))))); |
| 4782 | } |
| 4783 | |
| 4784 | TEST(MatcherMemoize, HasDiffersFromHasDescendant) { |
| 4785 | // Test introduced after detecting a bug in memoization |
| 4786 | constexpr auto code = "void f() { throw 1+1; }" ; |
| 4787 | EXPECT_TRUE(notMatches( |
| 4788 | code, |
| 4789 | cxxThrowExpr(has(integerLiteral())))); |
| 4790 | EXPECT_TRUE(matches( |
| 4791 | code, |
| 4792 | cxxThrowExpr(hasDescendant(integerLiteral())))); |
| 4793 | EXPECT_TRUE( |
| 4794 | notMatches(code, cxxThrowExpr(allOf(hasDescendant(integerLiteral()), |
| 4795 | has(integerLiteral()))))); |
| 4796 | } |
| 4797 | TEST(HasAncestor, MatchesAllAncestors) { |
| 4798 | EXPECT_TRUE(matches( |
| 4799 | "template <typename T> struct C { static void f() { 42; } };" |
| 4800 | "void t() { C<int>::f(); }" , |
| 4801 | integerLiteral( |
| 4802 | equals(42), |
| 4803 | allOf( |
| 4804 | hasAncestor(cxxRecordDecl(isTemplateInstantiation())), |
| 4805 | hasAncestor(cxxRecordDecl(unless(isTemplateInstantiation()))))))); |
| 4806 | } |
| 4807 | |
| 4808 | TEST(HasAncestor, ImplicitArrayCopyCtorDeclRefExpr) { |
| 4809 | EXPECT_TRUE(matches("struct MyClass {\n" |
| 4810 | " int c[1];\n" |
| 4811 | " static MyClass Create() { return MyClass(); }\n" |
| 4812 | "};" , |
| 4813 | declRefExpr(to(decl(hasAncestor(decl())))))); |
| 4814 | } |
| 4815 | |
| 4816 | TEST(HasAncestor, AnonymousUnionMemberExpr) { |
| 4817 | EXPECT_TRUE(matches("int F() {\n" |
| 4818 | " union { int i; };\n" |
| 4819 | " return i;\n" |
| 4820 | "}\n" , |
| 4821 | memberExpr(member(hasAncestor(decl()))))); |
| 4822 | EXPECT_TRUE(matches("void f() {\n" |
| 4823 | " struct {\n" |
| 4824 | " struct { int a; int b; };\n" |
| 4825 | " } s;\n" |
| 4826 | " s.a = 4;\n" |
| 4827 | "}\n" , |
| 4828 | memberExpr(member(hasAncestor(decl()))))); |
| 4829 | EXPECT_TRUE(matches("void f() {\n" |
| 4830 | " struct {\n" |
| 4831 | " struct { int a; int b; };\n" |
| 4832 | " } s;\n" |
| 4833 | " s.a = 4;\n" |
| 4834 | "}\n" , |
| 4835 | declRefExpr(to(decl(hasAncestor(decl())))))); |
| 4836 | } |
| 4837 | TEST(HasAncestor, NonParmDependentTemplateParmVarDeclRefExpr) { |
| 4838 | EXPECT_TRUE(matches("struct PartitionAllocator {\n" |
| 4839 | " template<typename T>\n" |
| 4840 | " static int quantizedSize(int count) {\n" |
| 4841 | " return count;\n" |
| 4842 | " }\n" |
| 4843 | " void f() { quantizedSize<int>(10); }\n" |
| 4844 | "};" , |
| 4845 | declRefExpr(to(decl(hasAncestor(decl())))))); |
| 4846 | } |
| 4847 | |
| 4848 | TEST(HasAncestor, AddressOfExplicitSpecializationFunction) { |
| 4849 | EXPECT_TRUE(matches("template <class T> void f();\n" |
| 4850 | "template <> void f<int>();\n" |
| 4851 | "void (*get_f())() { return f<int>; }\n" , |
| 4852 | declRefExpr(to(decl(hasAncestor(decl())))))); |
| 4853 | } |
| 4854 | |
| 4855 | TEST(HasParent, MatchesAllParents) { |
| 4856 | EXPECT_TRUE(matches( |
| 4857 | "template <typename T> struct C { static void f() { 42; } };" |
| 4858 | "void t() { C<int>::f(); }" , |
| 4859 | integerLiteral( |
| 4860 | equals(42), |
| 4861 | hasParent(compoundStmt(hasParent(functionDecl( |
| 4862 | hasParent(cxxRecordDecl(isTemplateInstantiation()))))))))); |
| 4863 | EXPECT_TRUE( |
| 4864 | matches("template <typename T> struct C { static void f() { 42; } };" |
| 4865 | "void t() { C<int>::f(); }" , |
| 4866 | integerLiteral( |
| 4867 | equals(42), |
| 4868 | hasParent(compoundStmt(hasParent(functionDecl(hasParent( |
| 4869 | cxxRecordDecl(unless(isTemplateInstantiation())))))))))); |
| 4870 | EXPECT_TRUE(matches( |
| 4871 | "template <typename T> struct C { static void f() { 42; } };" |
| 4872 | "void t() { C<int>::f(); }" , |
| 4873 | integerLiteral(equals(42), |
| 4874 | hasParent(compoundStmt( |
| 4875 | allOf(hasParent(functionDecl(hasParent( |
| 4876 | cxxRecordDecl(isTemplateInstantiation())))), |
| 4877 | hasParent(functionDecl(hasParent(cxxRecordDecl( |
| 4878 | unless(isTemplateInstantiation()))))))))))); |
| 4879 | EXPECT_TRUE( |
| 4880 | notMatches("template <typename T> struct C { static void f() {} };" |
| 4881 | "void t() { C<int>::f(); }" , |
| 4882 | compoundStmt(hasParent(recordDecl())))); |
| 4883 | } |
| 4884 | |
| 4885 | TEST(HasParent, NoDuplicateParents) { |
| 4886 | class HasDuplicateParents : public BoundNodesCallback { |
| 4887 | public: |
| 4888 | bool run(const BoundNodes *Nodes) override { return false; } |
| 4889 | bool run(const BoundNodes *Nodes, ASTContext *Context) override { |
| 4890 | const Stmt *Node = Nodes->getNodeAs<Stmt>("node" ); |
| 4891 | std::set<const void *> Parents; |
| 4892 | for (const auto &Parent : Context->getParents(*Node)) { |
| 4893 | if (!Parents.insert(Parent.getMemoizationData()).second) { |
| 4894 | return true; |
| 4895 | } |
| 4896 | } |
| 4897 | return false; |
| 4898 | } |
| 4899 | }; |
| 4900 | EXPECT_FALSE(matchAndVerifyResultTrue( |
| 4901 | "template <typename T> int Foo() { return 1 + 2; }\n" |
| 4902 | "int x = Foo<int>() + Foo<unsigned>();" , |
| 4903 | stmt().bind("node" ), std::make_unique<HasDuplicateParents>())); |
| 4904 | } |
| 4905 | |
| 4906 | TEST(TypeMatching, PointeeTypes) { |
| 4907 | EXPECT_TRUE(matches("int b; int &a = b;" , |
| 4908 | referenceType(pointee(builtinType())))); |
| 4909 | EXPECT_TRUE(matches("int *a;" , pointerType(pointee(builtinType())))); |
| 4910 | |
| 4911 | EXPECT_TRUE(matches("int *a;" , |
| 4912 | loc(pointerType(pointee(builtinType()))))); |
| 4913 | |
| 4914 | EXPECT_TRUE(matches( |
| 4915 | "int const *A;" , |
| 4916 | pointerType(pointee(isConstQualified(), builtinType())))); |
| 4917 | EXPECT_TRUE(notMatches( |
| 4918 | "int *A;" , |
| 4919 | pointerType(pointee(isConstQualified(), builtinType())))); |
| 4920 | } |
| 4921 | |
| 4922 | TEST(ElaboratedTypeNarrowing, hasQualifier) { |
| 4923 | EXPECT_TRUE(matches( |
| 4924 | "namespace N {" |
| 4925 | " namespace M {" |
| 4926 | " class D {};" |
| 4927 | " }" |
| 4928 | "}" |
| 4929 | "N::M::D d;" , |
| 4930 | elaboratedType(hasQualifier(hasPrefix(specifiesNamespace(hasName("N" ))))))); |
| 4931 | EXPECT_TRUE(notMatches( |
| 4932 | "namespace M {" |
| 4933 | " class D {};" |
| 4934 | "}" |
| 4935 | "M::D d;" , |
| 4936 | elaboratedType(hasQualifier(hasPrefix(specifiesNamespace(hasName("N" ))))))); |
| 4937 | EXPECT_TRUE(notMatches( |
| 4938 | "struct D {" |
| 4939 | "} d;" , |
| 4940 | elaboratedType(hasQualifier(nestedNameSpecifier())))); |
| 4941 | } |
| 4942 | |
| 4943 | TEST(ElaboratedTypeNarrowing, namesType) { |
| 4944 | EXPECT_TRUE(matches( |
| 4945 | "namespace N {" |
| 4946 | " namespace M {" |
| 4947 | " class D {};" |
| 4948 | " }" |
| 4949 | "}" |
| 4950 | "N::M::D d;" , |
| 4951 | elaboratedType(elaboratedType(namesType(recordType( |
| 4952 | hasDeclaration(namedDecl(hasName("D" ))))))))); |
| 4953 | EXPECT_TRUE(notMatches( |
| 4954 | "namespace M {" |
| 4955 | " class D {};" |
| 4956 | "}" |
| 4957 | "M::D d;" , |
| 4958 | elaboratedType(elaboratedType(namesType(typedefType()))))); |
| 4959 | } |
| 4960 | |
| 4961 | TEST(NNS, BindsNestedNameSpecifiers) { |
| 4962 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4963 | "namespace ns { struct E { struct B {}; }; } ns::E::B b;" , |
| 4964 | nestedNameSpecifier(specifiesType(asString("struct ns::E" ))).bind("nns" ), |
| 4965 | std::make_unique<VerifyIdIsBoundTo<NestedNameSpecifier>>( |
| 4966 | "nns" , "ns::struct E::" ))); |
| 4967 | } |
| 4968 | |
| 4969 | TEST(NNS, BindsNestedNameSpecifierLocs) { |
| 4970 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4971 | "namespace ns { struct B {}; } ns::B b;" , |
| 4972 | loc(nestedNameSpecifier()).bind("loc" ), |
| 4973 | std::make_unique<VerifyIdIsBoundTo<NestedNameSpecifierLoc>>("loc" , 1))); |
| 4974 | } |
| 4975 | |
| 4976 | TEST(NNS, DescendantsOfNestedNameSpecifiers) { |
| 4977 | StringRef Fragment = |
| 4978 | "namespace a { struct A { struct B { struct C {}; }; }; };" |
| 4979 | "void f() { a::A::B::C c; }" ; |
| 4980 | EXPECT_TRUE(matches( |
| 4981 | Fragment, |
| 4982 | nestedNameSpecifier(specifiesType(asString("struct a::A::B" )), |
| 4983 | hasDescendant(nestedNameSpecifier( |
| 4984 | specifiesNamespace(hasName("a" ))))))); |
| 4985 | EXPECT_TRUE(notMatches( |
| 4986 | Fragment, |
| 4987 | nestedNameSpecifier(specifiesType(asString("struct a::A::B" )), |
| 4988 | has(nestedNameSpecifier( |
| 4989 | specifiesNamespace(hasName("a" ))))))); |
| 4990 | EXPECT_TRUE(matches( |
| 4991 | Fragment, |
| 4992 | nestedNameSpecifier(specifiesType(asString("struct a::A" )), |
| 4993 | has(nestedNameSpecifier( |
| 4994 | specifiesNamespace(hasName("a" ))))))); |
| 4995 | |
| 4996 | // Not really useful because a NestedNameSpecifier can af at most one child, |
| 4997 | // but to complete the interface. |
| 4998 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 4999 | Fragment, |
| 5000 | nestedNameSpecifier(specifiesType(asString("struct a::A::B" )), |
| 5001 | forEach(nestedNameSpecifier().bind("x" ))), |
| 5002 | std::make_unique<VerifyIdIsBoundTo<NestedNameSpecifier>>("x" , 1))); |
| 5003 | } |
| 5004 | |
| 5005 | TEST(NNS, NestedNameSpecifiersAsDescendants) { |
| 5006 | StringRef Fragment = |
| 5007 | "namespace a { struct A { struct B { struct C {}; }; }; };" |
| 5008 | "void f() { a::A::B::C c; }" ; |
| 5009 | EXPECT_TRUE(matches( |
| 5010 | Fragment, |
| 5011 | decl(hasDescendant(nestedNameSpecifier(specifiesType( |
| 5012 | asString("struct a::A" ))))))); |
| 5013 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 5014 | Fragment, |
| 5015 | functionDecl(hasName("f" ), |
| 5016 | forEachDescendant(nestedNameSpecifier().bind("x" ))), |
| 5017 | // Nested names: a, a::A and a::A::B. |
| 5018 | std::make_unique<VerifyIdIsBoundTo<NestedNameSpecifier>>("x" , 3))); |
| 5019 | } |
| 5020 | |
| 5021 | TEST(NNSLoc, DescendantsOfNestedNameSpecifierLocs) { |
| 5022 | StringRef Fragment = |
| 5023 | "namespace a { struct A { struct B { struct C {}; }; }; };" |
| 5024 | "void f() { a::A::B::C c; }" ; |
| 5025 | EXPECT_TRUE(matches( |
| 5026 | Fragment, |
| 5027 | nestedNameSpecifierLoc(loc(specifiesType(asString("struct a::A::B" ))), |
| 5028 | hasDescendant(loc(nestedNameSpecifier( |
| 5029 | specifiesNamespace(hasName("a" )))))))); |
| 5030 | EXPECT_TRUE(notMatches( |
| 5031 | Fragment, |
| 5032 | nestedNameSpecifierLoc(loc(specifiesType(asString("struct a::A::B" ))), |
| 5033 | has(loc(nestedNameSpecifier( |
| 5034 | specifiesNamespace(hasName("a" )))))))); |
| 5035 | EXPECT_TRUE(matches( |
| 5036 | Fragment, |
| 5037 | nestedNameSpecifierLoc(loc(specifiesType(asString("struct a::A" ))), |
| 5038 | has(loc(nestedNameSpecifier( |
| 5039 | specifiesNamespace(hasName("a" )))))))); |
| 5040 | |
| 5041 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 5042 | Fragment, |
| 5043 | nestedNameSpecifierLoc(loc(specifiesType(asString("struct a::A::B" ))), |
| 5044 | forEach(nestedNameSpecifierLoc().bind("x" ))), |
| 5045 | std::make_unique<VerifyIdIsBoundTo<NestedNameSpecifierLoc>>("x" , 1))); |
| 5046 | } |
| 5047 | |
| 5048 | TEST(NNSLoc, NestedNameSpecifierLocsAsDescendants) { |
| 5049 | StringRef Fragment = |
| 5050 | "namespace a { struct A { struct B { struct C {}; }; }; };" |
| 5051 | "void f() { a::A::B::C c; }" ; |
| 5052 | EXPECT_TRUE(matches( |
| 5053 | Fragment, |
| 5054 | decl(hasDescendant(loc(nestedNameSpecifier(specifiesType( |
| 5055 | asString("struct a::A" )))))))); |
| 5056 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 5057 | Fragment, |
| 5058 | functionDecl(hasName("f" ), |
| 5059 | forEachDescendant(nestedNameSpecifierLoc().bind("x" ))), |
| 5060 | // Nested names: a, a::A and a::A::B. |
| 5061 | std::make_unique<VerifyIdIsBoundTo<NestedNameSpecifierLoc>>("x" , 3))); |
| 5062 | } |
| 5063 | template <typename T> class VerifyMatchOnNode : public BoundNodesCallback { |
| 5064 | public: |
| 5065 | VerifyMatchOnNode(StringRef Id, const internal::Matcher<T> &InnerMatcher, |
| 5066 | StringRef InnerId) |
| 5067 | : Id(Id), InnerMatcher(InnerMatcher), InnerId(InnerId) { |
| 5068 | } |
| 5069 | |
| 5070 | bool run(const BoundNodes *Nodes) override { return false; } |
| 5071 | |
| 5072 | bool run(const BoundNodes *Nodes, ASTContext *Context) override { |
| 5073 | const T *Node = Nodes->getNodeAs<T>(Id); |
| 5074 | return selectFirst<T>(InnerId, match(InnerMatcher, *Node, *Context)) != |
| 5075 | nullptr; |
| 5076 | } |
| 5077 | private: |
| 5078 | std::string Id; |
| 5079 | internal::Matcher<T> InnerMatcher; |
| 5080 | std::string InnerId; |
| 5081 | }; |
| 5082 | |
| 5083 | TEST(MatchFinder, CanMatchDeclarationsRecursively) { |
| 5084 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 5085 | "class X { class Y {}; };" , recordDecl(hasName("::X" )).bind("X" ), |
| 5086 | std::make_unique<VerifyMatchOnNode<Decl>>( |
| 5087 | "X" , decl(hasDescendant(recordDecl(hasName("X::Y" )).bind("Y" ))), |
| 5088 | "Y" ))); |
| 5089 | EXPECT_TRUE(matchAndVerifyResultFalse( |
| 5090 | "class X { class Y {}; };" , recordDecl(hasName("::X" )).bind("X" ), |
| 5091 | std::make_unique<VerifyMatchOnNode<Decl>>( |
| 5092 | "X" , decl(hasDescendant(recordDecl(hasName("X::Z" )).bind("Z" ))), |
| 5093 | "Z" ))); |
| 5094 | } |
| 5095 | |
| 5096 | TEST(MatchFinder, CanMatchStatementsRecursively) { |
| 5097 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 5098 | "void f() { if (1) { for (;;) { } } }" , ifStmt().bind("if" ), |
| 5099 | std::make_unique<VerifyMatchOnNode<Stmt>>( |
| 5100 | "if" , stmt(hasDescendant(forStmt().bind("for" ))), "for" ))); |
| 5101 | EXPECT_TRUE(matchAndVerifyResultFalse( |
| 5102 | "void f() { if (1) { for (;;) { } } }" , ifStmt().bind("if" ), |
| 5103 | std::make_unique<VerifyMatchOnNode<Stmt>>( |
| 5104 | "if" , stmt(hasDescendant(declStmt().bind("decl" ))), "decl" ))); |
| 5105 | } |
| 5106 | |
| 5107 | TEST(MatchFinder, CanMatchSingleNodesRecursively) { |
| 5108 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 5109 | "class X { class Y {}; };" , recordDecl(hasName("::X" )).bind("X" ), |
| 5110 | std::make_unique<VerifyMatchOnNode<Decl>>( |
| 5111 | "X" , recordDecl(has(recordDecl(hasName("X::Y" )).bind("Y" ))), "Y" ))); |
| 5112 | EXPECT_TRUE(matchAndVerifyResultFalse( |
| 5113 | "class X { class Y {}; };" , recordDecl(hasName("::X" )).bind("X" ), |
| 5114 | std::make_unique<VerifyMatchOnNode<Decl>>( |
| 5115 | "X" , recordDecl(has(recordDecl(hasName("X::Z" )).bind("Z" ))), "Z" ))); |
| 5116 | } |
| 5117 | |
| 5118 | TEST(StatementMatcher, HasReturnValue) { |
| 5119 | StatementMatcher RetVal = returnStmt(hasReturnValue(binaryOperator())); |
| 5120 | EXPECT_TRUE(matches("int F() { int a, b; return a + b; }" , RetVal)); |
| 5121 | EXPECT_FALSE(matches("int F() { int a; return a; }" , RetVal)); |
| 5122 | EXPECT_FALSE(matches("void F() { return; }" , RetVal)); |
| 5123 | } |
| 5124 | |
| 5125 | TEST(StatementMatcher, ForFunction) { |
| 5126 | StringRef CppString1 = "struct PosVec {" |
| 5127 | " PosVec& operator=(const PosVec&) {" |
| 5128 | " auto x = [] { return 1; };" |
| 5129 | " return *this;" |
| 5130 | " }" |
| 5131 | "};" ; |
| 5132 | StringRef CppString2 = "void F() {" |
| 5133 | " struct S {" |
| 5134 | " void F2() {" |
| 5135 | " return;" |
| 5136 | " }" |
| 5137 | " };" |
| 5138 | "}" ; |
| 5139 | EXPECT_TRUE( |
| 5140 | matches( |
| 5141 | CppString1, |
| 5142 | returnStmt(forFunction(hasName("operator=" )), |
| 5143 | has(unaryOperator(hasOperatorName("*" )))))); |
| 5144 | EXPECT_TRUE( |
| 5145 | notMatches( |
| 5146 | CppString1, |
| 5147 | returnStmt(forFunction(hasName("operator=" )), |
| 5148 | has(integerLiteral())))); |
| 5149 | EXPECT_TRUE( |
| 5150 | matches( |
| 5151 | CppString1, |
| 5152 | returnStmt(forFunction(hasName("operator()" )), |
| 5153 | has(integerLiteral())))); |
| 5154 | EXPECT_TRUE(matches(CppString2, returnStmt(forFunction(hasName("F2" ))))); |
| 5155 | EXPECT_TRUE(notMatches(CppString2, returnStmt(forFunction(hasName("F" ))))); |
| 5156 | } |
| 5157 | |
| 5158 | TEST(Matcher, ForEachOverriden) { |
| 5159 | const auto ForEachOverriddenInClass = [](const char *ClassName) { |
| 5160 | return cxxMethodDecl(ofClass(hasName(ClassName)), isVirtual(), |
| 5161 | forEachOverridden(cxxMethodDecl().bind("overridden" ))) |
| 5162 | .bind("override" ); |
| 5163 | }; |
| 5164 | static const char Code1[] = "class A { virtual void f(); };" |
| 5165 | "class B : public A { void f(); };" |
| 5166 | "class C : public B { void f(); };" ; |
| 5167 | // C::f overrides A::f. |
| 5168 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 5169 | Code1, ForEachOverriddenInClass("C" ), |
| 5170 | std::make_unique<VerifyIdIsBoundTo<CXXMethodDecl>>("override" , "f" , 1))); |
| 5171 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 5172 | Code1, ForEachOverriddenInClass("C" ), |
| 5173 | std::make_unique<VerifyIdIsBoundTo<CXXMethodDecl>>("overridden" , "f" , |
| 5174 | 1))); |
| 5175 | // B::f overrides A::f. |
| 5176 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 5177 | Code1, ForEachOverriddenInClass("B" ), |
| 5178 | std::make_unique<VerifyIdIsBoundTo<CXXMethodDecl>>("override" , "f" , 1))); |
| 5179 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 5180 | Code1, ForEachOverriddenInClass("B" ), |
| 5181 | std::make_unique<VerifyIdIsBoundTo<CXXMethodDecl>>("overridden" , "f" , |
| 5182 | 1))); |
| 5183 | // A::f overrides nothing. |
| 5184 | EXPECT_TRUE(notMatches(Code1, ForEachOverriddenInClass("A" ))); |
| 5185 | |
| 5186 | static const char Code2[] = |
| 5187 | "class A1 { virtual void f(); };" |
| 5188 | "class A2 { virtual void f(); };" |
| 5189 | "class B : public A1, public A2 { void f(); };" ; |
| 5190 | // B::f overrides A1::f and A2::f. This produces two matches. |
| 5191 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 5192 | Code2, ForEachOverriddenInClass("B" ), |
| 5193 | std::make_unique<VerifyIdIsBoundTo<CXXMethodDecl>>("override" , "f" , 2))); |
| 5194 | EXPECT_TRUE(matchAndVerifyResultTrue( |
| 5195 | Code2, ForEachOverriddenInClass("B" ), |
| 5196 | std::make_unique<VerifyIdIsBoundTo<CXXMethodDecl>>("overridden" , "f" , |
| 5197 | 2))); |
| 5198 | // A1::f overrides nothing. |
| 5199 | EXPECT_TRUE(notMatches(Code2, ForEachOverriddenInClass("A1" ))); |
| 5200 | } |
| 5201 | |
| 5202 | TEST(Matcher, HasAnyDeclaration) { |
| 5203 | StringRef Fragment = "void foo(int p1);" |
| 5204 | "void foo(int *p2);" |
| 5205 | "void bar(int p3);" |
| 5206 | "template <typename T> void baz(T t) { foo(t); }" ; |
| 5207 | |
| 5208 | EXPECT_TRUE( |
| 5209 | matches(Fragment, unresolvedLookupExpr(hasAnyDeclaration(functionDecl( |
| 5210 | hasParameter(0, parmVarDecl(hasName("p1" )))))))); |
| 5211 | EXPECT_TRUE( |
| 5212 | matches(Fragment, unresolvedLookupExpr(hasAnyDeclaration(functionDecl( |
| 5213 | hasParameter(0, parmVarDecl(hasName("p2" )))))))); |
| 5214 | EXPECT_TRUE( |
| 5215 | notMatches(Fragment, unresolvedLookupExpr(hasAnyDeclaration(functionDecl( |
| 5216 | hasParameter(0, parmVarDecl(hasName("p3" )))))))); |
| 5217 | EXPECT_TRUE(notMatches(Fragment, unresolvedLookupExpr(hasAnyDeclaration( |
| 5218 | functionDecl(hasName("bar" )))))); |
| 5219 | } |
| 5220 | |
| 5221 | TEST(SubstTemplateTypeParmType, HasReplacementType) { |
| 5222 | StringRef Fragment = "template<typename T>" |
| 5223 | "double F(T t);" |
| 5224 | "int i;" |
| 5225 | "double j = F(i);" ; |
| 5226 | EXPECT_TRUE(matches(Fragment, substTemplateTypeParmType(hasReplacementType( |
| 5227 | qualType(asString("int" )))))); |
| 5228 | EXPECT_TRUE(notMatches(Fragment, substTemplateTypeParmType(hasReplacementType( |
| 5229 | qualType(asString("double" )))))); |
| 5230 | EXPECT_TRUE( |
| 5231 | notMatches("template<int N>" |
| 5232 | "double F();" |
| 5233 | "double j = F<5>();" , |
| 5234 | substTemplateTypeParmType(hasReplacementType(qualType())))); |
| 5235 | } |
| 5236 | |
| 5237 | TEST(ClassTemplateSpecializationDecl, HasSpecializedTemplate) { |
| 5238 | auto Matcher = classTemplateSpecializationDecl( |
| 5239 | hasSpecializedTemplate(classTemplateDecl())); |
| 5240 | EXPECT_TRUE( |
| 5241 | matches("template<typename T> class A {}; typedef A<int> B;" , Matcher)); |
| 5242 | EXPECT_TRUE(notMatches("template<typename T> class A {};" , Matcher)); |
| 5243 | } |
| 5244 | |
| 5245 | TEST(CXXNewExpr, Array) { |
| 5246 | StatementMatcher NewArray = cxxNewExpr(isArray()); |
| 5247 | |
| 5248 | EXPECT_TRUE(matches("void foo() { int *Ptr = new int[10]; }" , NewArray)); |
| 5249 | EXPECT_TRUE(notMatches("void foo() { int *Ptr = new int; }" , NewArray)); |
| 5250 | |
| 5251 | StatementMatcher NewArraySize10 = |
| 5252 | cxxNewExpr(hasArraySize(integerLiteral(equals(10)))); |
| 5253 | EXPECT_TRUE( |
| 5254 | matches("void foo() { int *Ptr = new int[10]; }" , NewArraySize10)); |
| 5255 | EXPECT_TRUE( |
| 5256 | notMatches("void foo() { int *Ptr = new int[20]; }" , NewArraySize10)); |
| 5257 | } |
| 5258 | |
| 5259 | TEST(CXXNewExpr, PlacementArgs) { |
| 5260 | StatementMatcher IsPlacementNew = cxxNewExpr(hasAnyPlacementArg(anything())); |
| 5261 | |
| 5262 | EXPECT_TRUE(matches(R"( |
| 5263 | void* operator new(decltype(sizeof(void*)), void*); |
| 5264 | int *foo(void* Storage) { |
| 5265 | return new (Storage) int; |
| 5266 | })" , |
| 5267 | IsPlacementNew)); |
| 5268 | |
| 5269 | EXPECT_TRUE(matches(R"( |
| 5270 | void* operator new(decltype(sizeof(void*)), void*, unsigned); |
| 5271 | int *foo(void* Storage) { |
| 5272 | return new (Storage, 16) int; |
| 5273 | })" , |
| 5274 | cxxNewExpr(hasPlacementArg( |
| 5275 | 1, ignoringImpCasts(integerLiteral(equals(16))))))); |
| 5276 | |
| 5277 | EXPECT_TRUE(notMatches(R"( |
| 5278 | void* operator new(decltype(sizeof(void*)), void*); |
| 5279 | int *foo(void* Storage) { |
| 5280 | return new int; |
| 5281 | })" , |
| 5282 | IsPlacementNew)); |
| 5283 | } |
| 5284 | |
| 5285 | } // namespace ast_matchers |
| 5286 | } // namespace clang |
| 5287 | |